why do seals make noise. This noise will be much louder if you remove the valve cover. why do seals make noise

 
 This noise will be much louder if you remove the valve coverwhy do seals make noise  On your car, the power steering fluid reservoir is on the passenger side fender near the rear of

5. 5". I think seals make sounds like any other human would, just through a snorkel. Use a heated tube: One of the ways to solve the CPAP rainout is so air pressure won’t form into droplets. Scientists refer to this motion as a “clap. It Might Be a Dirty Condenser Coil. 1. The absence actually contributes to the seals' abilities to pick up on direction in hearing, which they utilize to their advantage both underwater and above the surface. Finally, a roaring noise could indicate that the engine is running. But a few species break the mold. If the floor is still dry, chances are that the water wasn’t. The issue: I make odd noises e. . It Might Be a Dirty Condenser Coil. Vocal Communication. istockphoto. The best way to keep them out of your home is to prevent access with a well-fitted screen door. Second, the outer ears of sea lions have little flaps. Turn the door knob or lever as you do so to work the lubricant into the components. Usually, these types of loud, unusual noises result from loose components, road damage, system leaks, or engine problems affecting the exhaust system. 1. The milk of the hooded seal, for example, is so full of. Harbor seals are probably the least vocal of all pinnipeds. Sexandcandyyeah. In the experiment, the seals were exposed to recordings of the nearby Wadden Sea on the Dutch coast over several days, played at three. Unsurprisingly, Hoover’s remarkable ability to mimic human speech made him a hit—and people from all over flocked to Massachusetts to visit and converse with the world’s one and only. Blue Smoke From Exhaust. 4 hours ago · Noises such as chewing, slurping, sniffing and heavy breathing are common triggers, as well as clicking, tapping and other repetitive noises that come from objects. Instead of being loud, male harbor seals will choose a spot where females will pass by and put on a display of poses and low guttural noise. These files are much higher quality (and larger) elephant seal vocaliz. 3 m (approximately 4 ft). 2. The most common sources of manual transmission noises include: Low fluid level. Heat and engine vibration, can cause the seal to become hard and loose its sealing ability. Harbor seals have short, dog-like snouts. Borborygmi describes the sounds that come from your gastrointestinal (GI) tract (the pathway from your mouth to your anus). Generally, these issues don't show up suddenly. Found in the Antarctic, the Weddell seal’s complex descending sweeps and chirping calls are produced by the males during breeding season, evidence that this vocalization probably has something to do with courtship, advertising breeding fitness, and/or territorial announcements. Instead, blow air at the fan at an angle, blowing the dust away from the fan grates. They must leave space for the expansion to occur. Why do seals make weird noises? Arctic seals can groan, chug, or growl in the course of their communication. And besides, they took out Bin Laden. Top 7 Bad Valve Guide Seals Symptoms. Best Answer. The covers can be simple grates that snap in, or you might need to unscrew them. Weddell seals send out long, low whistles underwater at very high decibel levels, and harbor seals make quiet calls. In many cases, these noises are caused. High-pitched, squeaky sound: Called stridor or laryngomalacia, this is a sound very young babies make when breathing in. “It’s been around in hearing aids since the dawn of time,” Soriya Estes, owner of Texas-based Estes Audiology said. Although protected as an endangered species, Hawaiian monk seals remain one of the most endangered of all seal species. The clicking noises are caused by the ignitor sparking. My AC Makes a Rattling, Groaning, or Knocking Noise. Disable the ABS/ESP system – there’s usually a button. Hawaiian Monk Seals are true seals and belong to the family Phocidae. Rhythmic clunking, tapping or banging from under the hood. A more detailed way to build a window plug can be found in my article here. If you have an older car, you may have a recirculating ball unit to check instead. Amazing video captures grey seals clapping at each other in the wild to warn off competitors and attract mates. 7. Amazingly, new footage released this week in the journal Marine Mammal Science shows breeding grey seals doing just that: they clap at each other to warn off competitors and attract potential mates. However, if you have pain associated with the crackling and popping sounds, this could indicate a. Dust, dirt and food waste often get stuck in the drain hole, preventing water from running down, but. In addition to the noise,. g. Noise: Rumble or clicking that gets worse during hard turns. Bugs & animals in the trees. On a car, a wheel bearing rides on a metal axle shaft and fits tightly inside the hub, which is a hollow chunk of metal. It has increased in air pressure, and then it decreased again, sucking the lid down into a vacuum. Seals differ from sea lions (eared seals) in a number of ways, including having shorter, stouter flippers, and no visible earflaps. The first thing to do to fix the problem is find the seam were the seal is joined. The basic principle here is the ideal gas law. They can pick up on direction when submerged and above-sea, which is why pinnae is absent. The bark that is made by a seal is very similar to the bark that is made by a dog. To attract females, some male seals blow bubbles and make noises beneath the ice near where females have made entry holes into the water. Usually, if your car is making crunching, clicking, or humming and grinding noises at higher speeds indicates problems with bearings, CV joints or differentials. It is worse when a child is lying on their back. If the oil leaking from a camshaft seal finds its way to a hot exhaust manifold or pipe, it will burn up on contact and produce smoke or produce the odor of smoke. 3. Make [a/some] noise about X can be figuratively used to mean "doing something to gain attention about X" but. Elephant seals start making different vocalizations (find out what they sound like!) as they get older and serve other purposes. com. The words can be used as verbs or interjections in addition to nouns, and many of them are also specifically onomatopoeic. The first phase is a distinctive low-frequency, guttural vocalization. partial cough, lip noises and other strange noises (Some are VERY hard to explain). Remove the toilet tank lid and place it. Another common symptom of a bad camshaft seal is smoke coming from the engine bay. You could also try pulling down on your earlobe when you remove an earbud—it’s a subtler, surefire way to weaken an ear tip’s seal. The recordings they brought back. Put an ear down near to the baseboard heaters (but not so near you singe hair or burn skin) and check to see where the noise is coming from. Another possibility is that one of the engine’s cylinders is misfiring. Just leave the jar on the counter. Hand tighten the fill valve lock nut. Scientists say it. When the pups heard louder sea noises. Before this they can be noisy and exhibit some seepage. ”. This part is an automatic tensioning. Asthma: cats with asthma may make noises which sound very similar to choking or coughing. , (Apr. The whistling is the sound of leaking air, so once you can stop the leak, you also stop the irritating sound that probably led you to search for this guide. Water condenses at the back of the fridge, where it's colder, and runs down into the drain hole, where it can be evaporated away by the compressor. Worn or failing synchronizer. Image: Ben Burville Unprecedented video shows a male gray seal using its flippers to produce a loud sound underwater. Fuel pumps, especially electrical ones, tend to make a clicking sound when it starts. In fact, if you added up all the leaks. Water hammer happens when the valve suddenly shuts off, resulting in water with no place to go. Secondly, sea lions have small flaps for outer ears. Lawrence. Without lubrication, the power steering pump will likely make a whining noise when the steering wheel is turned. Seals are quieter, with softer grunts for vocalizing. The loud high-frequency noise is able to cut through. The sounds are amplified underwater and can be heard by other seals over large distances. After you have disconnected this, you’ll now need to find the lock nut located on the underside of the toilet. Indeed, seal milk is some of the richest milk there is. Hooded seals range from the Svalbard archipelago and the Barents Sea to the Gulf of St. What Do Seals Sound Like; What Do Seals Sound Like. Bet you can’t un-see laughing seal. Here are the possible reasons: AC Duct Has a Leak. 94 decibels: Food processor or blender. Stay away from moving parts, and listen to the differential – it should be quiet. Haaaaaaaaaaa… Why do Seals laugh so much? They are just happy animals. With the exception of thumping, all of these are soft and difficult to hear. If this noise persists for more than 30 mins-1 hr then I would schedule an appt with your vet to get an exam done for further confirmation. An easy way to diagnose if the rubber seal is at fault is by touching it. " For example, a harbor seal’s pelvic bones are fused, preventing them from moving their hind flippers under their pelvis to walk on land. The inflatable nasal cavity of the male hooded seal nearly doubles the size of its head. Their vocalizations can be heard both above and below the water’s surface. A rhythmic squeak that speeds up as you accelerate. The animals themselves are much smaller. At first, the cacophony sounds like a random assortment of. Water around the Toilet Base. Depending on the location of the seal and the severity of the leak, a bad seal may. They prefer to frequent familiar resting sites. Raccoons actually make chirping noises and squeaks that sound similar to birds, but raccoons do have a wide range of vocalizations that can also include growling, screeching, hissing and whining. Gray seals produce sounds in air and underwater. Sea lions are the only aquatic mammals that swim this way. Efforts to understand sound production often focus on sounds generated via apparatuses that specifically evolved to phonate, such as the larynx. The bearded seals, however, can only do so much. Check the dampers on the supply side of your ductwork and try opening them up one at a time to see if this reduces the popping and banging noises. One of the most distinctive sounds that seals make is barking. The baby seals were played sounds from the Wadden Sea for several days at three different volumes ranging from no sound to 65 decibels. Sea lions use roaring as a defense mechanism to. Vocal Communication. Found in the Antarctic, the Weddell seal’s complex descending sweeps and chirping calls are produced by the males during breeding season, evidence that this vocalization probably has something to do with courtship,. Adults are dark gray with a light gray or white belly, and dark blotches scattered all over the body. Pressure cookers make noise because of the safety release valve. Bearings are mounted on the motor to reduce friction as the motor shaft spins. Once the main culprits are identified, there are some initial checks to do that should be part of regular maintenance for baseboard heating and preparing a home for winter . Spending too much time inside the water would incur severe heat loss as the blood loses heat much faster in water than in air. 2) Excessive Oil Use. 3) Engine Braking. Navigate to Settings. rhonchi, low pitched breath sounds that are similar to snoring; crackles, high pitched breath. In response to the loud sounds, the young seals deepened their voices to hit a pitch below the background noise. Dog gagging is sort of a nonscientific description of the noise an animal makes usually just before or after a cough. Watch on. Using a clean soft brush or cloth, clean the compressor and condenser coils thoroughly. The harp seal eye is relatively large and is covered by a cornea that is constantly lubricated with tears produced by lacrimal glands to protect it from salt water. Ignore the popping sound, or you can even watch them and see lids going up and down. Bad gas valve. Why do elephant seals make noise? Their vocalizations are critical, since territorial disputes and stormy surf conditions can separate a mother and its pup and they may only find each other again by recognizing each other’s call. Coronado, Calif. Postdoctoral research into vocal learning in animals Grey seals and Common seals are apparently part of a very specific group of animals. Poor positioning and/or latch: for example, if baby is retracting the tongue or curling the tongue up when nursing, it can cause a clicking sound as the suction is broken. We explained earlier that the common function of axle seal is to prevent oil leaks from the tranny and diff. The extremely high fat content of the milk helps the pups more than double. A farting or whistling sound may be heard in the night (other than from your bed partner!). These vocalizations are known as “roars. This option is fast and easy to spray on and may just do the trick to seal off outdoor noise. To the contrary, one of the more common issues we have heard of through our technical call center is directly related to squeaking, popping, and crunching noises in installed engineered wood floors. In air, they may snort, hiss, growl, or sneeze - often as a threat to another seal. The resulting “crack!” sound is hard to ignore, rising above and penetrating through any background noise. All true seals have short flippers, which they use to move in a caterpillar-like motion on land. New Discovery: These Seals Can Recognize Each Other's 'Voices'. With your AirPods Pro in your ears and connected to your iPhone or iPad, go to Settings > Bluetooth. Two male hooded seals, one with its septum inflated (“red balloon”). Grey seals use their short paw-like forelimbs to make loud clapping sounds underwater. . The good news is that when your toilet makes noises after flushing, the cause is usually easy. Lift the front end of the car with a jack. Grinding. Blow these fans from the outside. Try to dislodge the clog with 10 to 15 firm pumping motions, then wait to see. What should we learn from this?A seal makes a sound that is a mixture of a bark and an eerie whaling sound, depending on the species of seal. Engorgement can make latch on difficult and baby may have a hard time maintaining suction. With time, you’ll also learn to differentiate other subtle sounds that rabbits make depending on their mood. Add two quarts of water to the bottom of the tub and the noise should go away. Remove the impeller with a strap wrench and a screwdriver. A study conducted by the Cornell Lab of Ornithology's Center for Conservation Bioacoustics (CCB) found that when ambient underwater noise gets too. Key Takeaways. The best cure for a loud compressor is usually a new fridge. . A ResMed CPAP machine is most likely making noise (s) because of leaking air. The whining noise you are describing sounds more like a power steering pump problem, usually caused by a low fluid level. Make sure that you remove the valve cover and check on the valve seals if they are sealing properly. 1. Pups vocalize more frequently than adults, especially with their mothers. Starting and stopping slowly and decelerating before turning. It may be a loose pipe or the blades failing within the turbo. The popping sound when canning is a good thing IF it indicates that this lid is popping down. Smoke from the engine bay. answered Mar 11, 2012 at 2:08. The first step and a simple way to test if your car is really leaking oil is to idle the engine for 15 minutes to see whether any oil appears on the surface underneath. The loud high-frequency noise is able to cut through background noise in the water and sends out clear signals to other seals in the area. If you find a low fluid level, ad BlueDevil Transmission Sealer. Cause: Worn or damaged U-joints. Trainer of Cetaecaens and Pinnipeds, Ray Molnar explains some of the purposes of harbor seal vocalizations at a young age, purposes of marking territory and males courting. Better would be: Don't make a sound. The range, pitch, and variety of these noises, however, are all vast. Ensure that any trims are also sealed on both edges, and a full length of silicone sticking them to the wall (if you have trims fitted in that way). Do seal make sounds? Seals make many sounds both out of the water—like elephant seals, and under water—like harbor seals. Although protected as an endangered species, Hawaiian monk seals remain one of the most endangered of all seal species. Even though both animals expend time in and out of the. Adding pipe hangers: If the noise is caused by pipes vibrating, pipe hangers can help isolate them from the structure. The eels, on the other hand, don't make it. Toilets making noise after flushing can be caused by a buildup of debris or a clog in the pipes. They make many noises, but they are known for making a barking sound. Air leakage. The variation of these methods shows the highly specified development of each species of seal in response to its. A noisy water faucet can mean a part in the water supply system is vibrating. Screeching. Avoid blowing the dust directly back into the computer, which could aggravate the fan noise problem in the future. 1) Lots of Exhaust Smoke. This rust will make the dust shield peel off every time you apply brakes. Check for loose belts. Like other Arctic seals, their pups are born with long white fur called lanugo. Newborn pups are born black, while weaned pups and older seals are dark gray to brown on their back and light gray to yellowish on their belly. The baby seals were played sounds from the Wadden Sea for several days at three different volumes ranging from no sound to 65 decibels. Grease is leaking from the bearings. 4. These underwater vocalizations are heard year round, so it. So the noise coming from your pool pump sounds a little less like a pile of rocks, and a little more like a screech. Certain words in the English language represent animal sounds: the noises and vocalizations of particular animals, especially noises used by animals for communication. The following comments should help to unpack that definition: Electromagnetic noise is a ubiquitous. In nearly every motorcycle available today, the front wheel is held on by an axle that’s connected to the fork. Cause: Worn carrier case-side gear bores. The killing joke – notice the hand just like a human. Worn or damaged gears. Sometimes water collects near the seal and causes rusting of the recess where the windshield is housed. For example, a rich-fuel condition that goes unattended, misfires, or overheating can adversely affect a gasket, seal or the catalytic. By hand, lift the hinged flapper at the bottom of the tank. Install window inserts. Listen for the noise. Also, sea lions make a lot of noise. Interestingly, it springs open when it’s bridging the gaps. A dirty mask can also affect how well your mask seals to your face, as build up from your skin can weaken the barrier formed. So, as you would expect, their calls are a little more high-pitched. Subfloor. Others, like the harp seal, will have their babies directly on icebergs. Crunching or clicking is often associated with a bad CV joint and happens during a tight turn. This noise will be much louder if you remove the valve cover. a gay noise. Open the door to the desired position and tap the button to hold the door in position. Just spray some onto a bit of cotton wool and rub around the problem areas. The most common symptom for a problem with the differential output seal is an oil leak. Arctic seals groan, chug, or growl; Weddell seals. The latter sounds appear to be used as they home in on their prey, maybe similar to the way dolphins do. The seal pups created a variety of noises, including gasp-like sounds and gurgling noises, as they subtly moved around the camera frame—all while melting. All seals have no external ears. The culprit here is most likely the bearings. Turn off the pump to protect it. Example 2: Mini-split’s. I don’t know what he means by a “drop seal” unless he is suggesting it is a vapor barrier that goes on the ground under the floor. Step 5: Insert the plug into the window. REICHMUTH: Well female elephant seals make very different sounds. When your transmission slams into gear it can be a sign of abnormal pressures, worn components or even a low fluid level. Mr. Place a bubble level on top of your fridge. what sound does a seal make? My parents think that in the song 'What does the fox say' when they say the seal goes "ow, ow, ow" they're referring to the clubbing of seals. They can often go above 90 to 100 decibels, requiring the patient to wear ear protection. One solution is to spray the latch with a metal lubricant such as WD-40. Navy SEAL candidates participate in Basic Underwater Demolition/SEAL (BUD/S) training. I now own a Brother all-in-one laser printer (MFC-L3770CDW). Since the car’s movement and other car parts can tend to hide oil leak symptoms, most evidence of leaks are overlooked. It can also indicate that certain toilet parts are faulty, often involving fill valves, refill tubes, valve seals, toilet flappers, or water supply valves. Check the filters: Ensure filters are clear of plugs and blockages. Why Do Seals Make Noises? All types of seals use their throat and air to produce noises to communicate vocally. Don’t use it on leather or suede though, as it’ll stain the material. Rattling: Water pump noises change from loud and rattling. Water hammer is the loud banging or “pipe-rattling” sound you hear when you open a faucet, run the water, and quickly close the faucet. Thestate Senate resolution called on the federal government to take action to limit sea lion and seal "predation of salmon and other fish in Puget Sound and all Washington waters. Harbor seals can however make sounds in-air too, including barks, honks, growls, grunts and even mother to pup contact calls. Marine Mammal Rescue gained over 6. It’s perfect for sealing the sides of a double-hung window as well as a sliding window, or on the top and sides. Sometimes, the main cause of static noise on your headphones could be having corrupt or outdated drivers. To address this, regularly clean the fan to. The increasing anthropogenic noise levels can negatively affect marine animals and their ecosystems in complex ways including through acute, chronic, and cumulative effects. Similar to a duck’s quack or a chicken’s cluck, a goose’s honk is the default noise made when a goose wants to vocalize. Get all the repair tips on a rowdy refrigerator. Rusted Dust Shield. Whistling, rattling, or jiggling means that the steam has reached the right level. This causes the ignitor to repeatedly try to ignite the gas, causing the clicking noise. Monk seals are closely monitored in the Hawaiian islands because there are only around 1,400 individuals left. Arctic seals make long-range calls underwater designed to attract females. All kinds of seals communicate vocally by making noise with their throat and air. Bearded seals in the Arctic make a long whistle underwater that can last for 70 seconds. By far one of the scariest noises a water heater can make. ”. Roars are low frequency vocalizations that directly overlap with the low frequency noise associated with vessels. ∙ 9y ago. 1. Handyandy Screwfix Select. The evaporator fan has to circulate cold air inside the freezer for the unit to cool. He has finally been able to capture this behaviour on film for the first time. Try to see a pediatric allergist rather than a regular pediatrician. . com. HABITAT Harbor seals are commonly seen resting on rocks and beaches along the coast and on floating ice in glacial fjords. David Hocking, Felix Marx and Ben Burville. Or, repair any gaps in your attic and other parts of your house. And there, on a rock exposed by the low tide, were a couple of dozen seals. Rattles. The U. However, there can be exceptions even during normal use. Sea lions are known to bark whenever they come out. • Over boosting (potentially caused by a wastegate fault) or poor remap. 1:16The best way to prevent a broken seal is proper maintenance. Press and hold the setup button on the case until the LED flashes white. The water pump might rattle due to two main problems: a bad bearing or probably a damaged impeller shaft. It can sound like a squeal, screech, whistle, loud buzz or hiss. Often, rattling, groaning, or knocking noises come from an AC compressor or other system component with loose or damaged mounts. The popping sound when canning is a good thing IF it indicates that this lid is popping down. Start by checking your transmission fluid level and condition on the dipstick. Most commonly, the various seals and gaskets can dry out, leak, and starve the system. Clattering and slapping could mean cam chain or tensioner. Sea lions have an extremely high level of noise. Wearing a mask with a loose fit can cause the pressurized air to leak, which could be causing the high–pitched whistling sound you hear. The Chat is a feature that is built into every Roblox game unless the developer has disabled it, and is used to communicate with other players in-game. Open the grille or panel at the bottom back of the refrigerator. If using water supply line older than 5 years replace supply line. What does seals sound like?To fix this issue, all you need to do is wrap a thin layer of rubber or fabric around the pipe. This goes on and on. When they are totally cool, check that lid. Tap your AirPods. Sea lions (left) are brown, bark loudly, “walk” on land using their large flippers and have visible ear flaps. The bearded seals, however, can only do so much. Valve Guide Seals Replacement Cost. However, irregular breath sounds may include:. These figures may vary among individuals and may fluctuate throughout the nursing period. Move or Pad the Dryer. Another pressure in the Baltic Sea is undoubtedly underwater noise associated with human activities, which can be divided into two categories: continuous and impulsive. A worn or faulty washer, cartridge, seal, spindle, gasket, or check valve in the water supply system or in the faucet can cause the noise. 5. Special Forces and are trained. We were hearing the singing of the seals. If it howls, grinds, clunks, bangs, whirs, clicks, vibrates or makes other unusual sounds, it’s damaged. The humming sound will resume when you close the refrigerator again. 3. Air Conditioner Making Pulsating Noise (Vibrations) Hearing a pulsating noise from your air conditioner is worth a note. Damaged Read/Write Heads; The read/write heads are integral components of your hard drive, so it doesn't take a genius to know once they cease to function, problems abound. The only way to determine what has caused the tiles to make noise when you step on them, is to remove the tiles and evaluate the underlying conditions. Worn parts will be replaced and the turbo bearings and seals will be replaced with new parts. Seals, however, lack the necessary anatomical structures. They installed a fiberglass killer whale that bellows predatory calls and used a device known as a pinger to try to scare the pinnipeds away. 8 m (approximately 5-6 ft). Thumping/Drumming/Rocking. This is because the blood needs to flow closer to the surface of the skin to promote hair growth. The animals themselves are much smaller. Flush the toilet. Why do grey seals clap? At first, the discovery might not seem that surprising. A dirty or clogged fan can contribute to increased noise levels in an air fryer. Seals are capable of making a wide range of sounds, from moaning and whistling to barking and roaring. The majority of the leopard seal population occurs near and within the Antarctic pack ice. With a faulty bearing, you can often hear a squealing, howling, or sometimes a grinding noise coming from the front of the engine. groaning. . Why do sea lions make noises? Roaring is a way that they can protect their territory when they feel threatened. If the flame sensor isn’t working, then it should be cleaned or replaced. As mentioned earlier, squirrels are most active in the mornings and evenings. Seal sounds - free downloadSeal Sounds - What sounds does a seal make?114 30K views 7 years ago Have you ever wondered what a seal sounds like? After viewing this informative video, you'll wonder no longer! Enjoy being educated. Why do elephant seals make that noise? Males establish dominance to determine who does the majority of the mating in a harem. That’s why the rear main seal is often referred to as the rear crankshaft seal. Many times, the dust accumulates in the coils and becomes dirty. Though most interior doors are 1 3/8-inch thick, exterior doors are typically 1 3/4-inch thick. The apparent randomness of it makes it hard to. 42K views 5 years ago. A howling, whining or even “singing”. Pups' sheep-like cries are individually distinctive to their mothers. Better humidity control. The tiny openings on the sides of a seal’s slender head are only visible up close. Seals are mammals! They possess all the things that make an animal a mammal. Start your engine. Male seals are the most vocal because they use their calls to defend their territories. The bull must take his nose everywhere. Description. These files are much higher quality (and larger) elephant seal vocalizations. If the muffler isn’t functioning properly, it can’t do its job of muffling the noise coming from the engine. Banging. If a clicking noise is from a rodent, it could be caused by the nails of a squirrel. Open the Windows registry editor. In addition to growling, foxes can also make a guttural sound in the back of their throat called "clicketing," which generally happens during the mating season, Harris said. This phenomenon can also sound like a loud thud after flushing the toilet. These issues can also make the transfer case emit noise or the truck's steering bind in turns. Insulate your tubing: Insulating keeps the temperature in the room and tubing at the same degree. It’s what holds the fill valve in place. Sexandcandyyeah. Make sure your trees aren’t growing too close to your house or your fence, as this can be a source of noisiness at night. Newborn pups are born black, while weaned pups and older seals are dark gray to brown on their back and light gray to yellowish on their belly. A sound like a coin in a clothes dryer.