They are known to consume large quantities of food at a time, about 5 to 8% of their body weight, 15–35 pounds, at a single feeding. Although seal numbers in the Kodiak area have been steadily increasing since the early 1990s and seal numbers in PWS began to stabilize and show signs of increase in 2002, both populations remain severely depressed compared to pre-decline population. [1]A true hand master is needed to do this seal quickly without fumbling. Install Weatherstripping . the presidential seal le sceau présidentiel. Seals, walruses, whales, otters, and others rely on the back end of their bodies—their tail—to produce thrust. Engine Power Loss. Both include two sine waves, one at 50 Hz and the other at 500 Hz, played at the same volume. Most interior doors, unlike those on the exterior, are not weatherstripped. The French word for seal is “phoque. Elephant seals are very large, oceangoing earless seals in the genus Mirounga. Seal Whiskers (vibrissae) Seals search for food with their coarse, continuously growing whiskers. Males produce single and pulsed sounds through the use of their hood and septum. Hooded Seals give birth and mate on pack ice in March and April, later and further north than the Fur Seal. By far, any move Sasuke does often becomes a fan-favorite. The “ph” in “phoque” is pronounced like the “f” in “fork. Copy. Coiffeteria Blog . Unscrew the band you used to hold the lid in place during processing. Photo: istockphoto. 0:01. Step 1 - Inspect the entire house or building, and find any and all entry holes, as small as 1/2 inch. by the way, it is not funny when people say this, it is just what it sounds like in. The animals themselves are much smaller. Puddles of fluid. Surprising seal sounds. Introduction Underwater sounds provide information about the surrounding environment—or soundscape—such as what marine animals are present or what human activities are taking place. yes this word in French sounds like the f word in English. Sea lions and fur seals (members of the eared seal family) have visible ear flaps, while true seals only have ear holes. i. :: verb-transitive. Oil leaks. Best Answer. These seals have a long, muscular body and a large head and mouth. Peel & Seal Adjustment Cost =. The concrete walls and air gap (3) will dramatically reduce any direct transmission of noise. Seals, like the gray seal and harbor seal, typically have shorter flippers than their sea lion cousins. Yeah I'm talking about seals! Lol Hehe your funny, underwater basket weaving is great, me and the seals do. Females are often larger than males. com. Weddell seals are found only in the Antarctic region. Instead, the sea lion tail is used like a rudder. Yup, the viral TikTok is totally on the money—the French word for the adorable sea mammal is, in fact, “phoque. Method 1: Seal the Door with Spring-Metal Strips. A kit includes automatic door bottoms and neoprene door jamb and a threshold to engage the door bottom. Second, the outer ears of sea lions have little flaps. . Leopard seals are Antarctica's fiercest predators. Learn more. Share. Only their hands and feet extend outside the body envelope. Blubber covers the entire body of animals such as seals, whales, and walruses—except for their fins, flippers, and flukes. It bonds polyethylene vapour barrier films to metal, concrete, masonry, asbestos, gypsum, board, plaster, and wood. Apply Dense, Heavy Mass Foam Tiles. Seal gaps along windows with acoustic caulk. Create a better door seal and prevent noise from penetrating through the cracks by installing new spring bronze weatherstripping. Males of this species are significantly larger than females and weigh 200-275 kg (450-600 lb). During the sealing process, a vacuum is created, which draws the lid down, and forms a shallow, concave depression from the outer edge to the center. Seals have quieter vocalizations, grunting softly. Adult gray seals can weigh between 550 and 850 pounds and are on the Cape year-round. LENGTH Average 1. One high. How does the harbor seal communicate? Harbor seals use their acute sense of smell to find a lost pup. Best Answer. . Molt is from the Latin mutare meaning 'to. The scientists recorded five calls from the. Seal: bark: Sheep: bleat, baa Sheep: Snake: hiss, rattle Rattlesnake: Songbird: chirrup, chirp, tweet, sing, warble (larks / warblers / wrens), twitter : Goldfinch: Squirrel: squeak. The sights and sounds of an elephant seal colony are part of the symphony of California's wild places. Method 1: Seal the Door with Spring-Metal Strips. To start, make the “f” sound by placing your upper teeth on your lower lip and blowing air out. Fill in whatever values you want. Gray seals can swim between 14 to 23 mph, while fur seals can swim up to 15 mph. Wherever a rotating shaft moves fluid, mechanical seals play a key role in sealing process fluids in, keeping contaminants out, or both. Roars are low frequency vocalizations that directly overlap with the low frequency noise associated with vessels. Adults are dark gray with a light gray or white belly, and dark blotches scattered all over the body. The females only weigh 40-50 kg (90-110 lb). While this is the typical sound of the toilet refilling its tank, the sound continues for longer than the expected one to three minutes. The final “e” is silent. Whatever you think they sound like, you're probably wrong. Now attempt to pick your jar up holding onto nothing but the lid. Door seals kits can be a very effective means of stopping sound from getting through a door. These sounds are usually made in. The crabeater seal does not. Vocal Communication. Notifications Settings. What is the sound a seals make? Seal sounds to learn. Someone commented that they wanted it on the original so here it isCredit: do not condone tik tok but it is the closest thing. One quick way to tell a sea lion from a seal is to look at its ears. Four Degrees of Separation: Fascinating Facts About Seals in AntarcticaSplitting hairs aside though, the point is that sound does the same thing: It reflects off certain surfaces and it’s absorbed by other surfaces, in much the same way white reflects light and black absorbs light. When deflated, it hangs down in front of the animal’s mouth. In addition, some sound energy travels from the sea water into the ice, where. Importantly, however, the current upward trend is in part due to NOAA Fisheries recovery efforts. Subscribe to our channel: seals might have lowered their pitch since lower-frequency sounds travel farther in windy environments like the one projected by the recorded audio, said Caroline Casey, a research scientist. The harp seal's absence of pinnae is not without a purpose. One of the biggest signs your pinion seal is failing is it is leaking. 170 active speaker (frequency response 32–22 000 Hz). Seal noises. On August 31, 2020, NOAA Fisheries. In comparison, sea lions have longer skin-covered flippers with claws on the hind flippers, which. Also referred to as “eared seals,” sea lions do have visible external ear flaps. The substantial nerve system transmits tactile information from the vibrissae to the brain. For instance, the CIA had become particularly fond of a “wipe” type silencer. % Chance of a Problem * Estimated Hours to Fix That Problem * $$/Hour Your Time is Worth to You. 2. The absence of land-based predators in Antarctica means that seals can haul-out in large groups, fall sound asleep, give birth and even nurse their pups for long periods of time. You’ll know pretty much right away when you remove the band whether your seal is good. The French word for “seal” is “phoque. Using recordings from MBARI’s deep-sea hydrophone, marine-mammal researchers have found that the sounds of seal bombs could have significant impacts on the behavior of harbor porpoises in and around Monterey Bay. ( on letter, package, envelope) cachet m. For a standard door, there are basically three parts that are needed. To check for a leak, follow the drive shaft to the rear axle, then look around the yoke for fresh oil. This clip includes rarely-heard, really inorganic underwater sounds of the Weddell seals (Leptonychotes weddellii) swimming below the ice in Antarctica. Three talented seals at the Scottish Oceans Institute can. Automotive door seals attach to the outside border of your door and seal the door to the body of the vehicle. But spotted seals ( Phoca largha) also spend time above the water, while giving birth or nursing their pups on ice floes. Do seals or sea lions bark? Sea lions (left) are brown, bark loudly, “walk” on land using their large flippers and have visible ear flaps. All kinds of seals communicate vocally by making noise with their throat and air. Blubber is a thick layer of fat, also called adipose tissue, directly under the skin of all marine mammals. The northern elephant seal (Mirounga angustirostris) is one of two species of elephant seal (the other is the southern elephant seal). A faulty seal in the toilet fill valve can cause your toilet to make a hissing sound after flushing. Second, the outer ears of sea lions have little flaps. The STC Mullion Seal is designed to effectively seal the joint between mullions and partitions, maintaining balance in the acoustical design at minimal cost. There’s always a gap below the door and one that runs up the sides and over the top. That is not actually canning. An easy and inexpensive method is to buy adhesive-backed, flexible foam weatherstripping. A study conducted by the Cornell Lab of Ornithology's Center for Conservation Bioacoustics (CCB) found that when ambient underwater noise gets too. (This is why the cup sticks to the wall. All kinds of seals communicate vocally by making noise with their throat and air. The door must be sealed on all four sides. To provide or cover with a ceiling. What does seals sound like? seals usually make sounds like Oort Oort Oort. However, while mammals mostly perceive sounds via one organ, the ear,. Pixabay. Whatever you think they sound like, you're probably wrong. Here are some tips to help you get the pronunciation right: Listen to native. The sound made by harpseals (cubs) is more of a vocial vibration or squeek, the sound coming from adult harpseals is more of a grunt sound as if to say "leave me the hell alone. And oh GOD, the elephant seals sound demonic. So I go out and buy 4 rolls of peel and seel for my car it's gonna cost you about $125. Pups' sheep-like cries are individually distinctive to their mothers. If it makes a dull sound, the lid is not sealed. Baby Fur Seal Lament. ”. Harbor seals ( Phoca vitulina ), are “true seals” of the Phocidae family, also sometimes called “common” or “hair” seals. A new research paper published in the December edition of The Journal of the Acoustical Society of America shows that Weddell seals vocalize underwater at frequencies too high for humans to hear. In comparison, sea lions have longer skin-covered flippers with claws on the hind flippers, which. Seal, I am a Seal, What do I say? Bark, bark, I say it all day. Orcas, or killer whales, are the largest of the dolphins and one of the world's most powerful predators. Noise pollution underwater has been likened to a nightclub, with seals and porpoises having to "shout" at each other to be heard, according to new research. No other marine mammals are known to make sounds in this way. California sea lions are among the most vocal of all mammals. Copy. 97 for 17 feet on Amazon. Take a look at our YouTube Channels:English Channel: found 1 solutions for Seal Sound. Door. These sounds can be used for defense against predators or as mating calls. What sound does an elephant seal make? Elephant seals are extremely vocal on and close to land whereas their vocal communications under water seem to be limited to a few grunts and clicking sounds. Seal Whiskers (vibrissae) Seals search for food with their coarse, continuously growing whiskers. Pixabay. Take a minute to refresh your soul with some ocean the. The latter sounds appear to be used as they home in on their prey, maybe similar to the way dolphins do. Press the middle of the lid with a finger or thumb. Bearded seals are the largest species of Arctic seal. Kie-Dough 2 years ago. In the video you will hear the sound of sea seals. A shorter, more compact version of the M16A2 rifle, it was specially designed for U. Females are a lighter brown and weigh up to 100 kg (220 lbs). Gray seals produce sounds in air and underwater. He was receiving the right medication and I was holding him whilst I recorded his cough. Whether by land or sea, spotted seals have excellent hearing, a new study finds. Our page top photo shows ugly staining in a toilet bowl. Teach your baby or small child what a seal sounds like! The voiceover also teaches kids and babies know how to pronounce the word seal, in native. Creds- referred to as “eared seals,” sea lions do have visible external ear flaps. If born prematurely or early in the birthing season, harbor seals retain a whitish lanugo coat (which is usually lost before birth). Caulk around outlet boxes for a tight seal. The average length for an adult harbor seal is 1. Neither. Females will average approximately 6. Indeed, Weddell seals and other related species can hear frequencies up to at least 60 kHz,. The vocalizations are only heard during the breeding season which lasts for about 90 days, from about late March through mid July. . The one unfortunate revelation from this work is that finding a new sound-based behavior in seals. A gasket provides a seal between the pan and the transmission. Scientists had suspected that seals use sound to hunt in dark Arctic waters. The speakers played a male leopard seal song, recorded far. Most of the newfound seal sounds exceeded 21 kHz, with some consistently rising to 30 kHz. Only their hands and feet extend outside the body envelope. Harp seals' underwater aural skills are undoubtedly impressive, with scopes of over 60,000 Hz. Hooded seal pups are known as "blue-backs" because their. Seals are among the few mammals capable of vocal learning. You can also note key differences between seals and sea lions by looking at their flippers. One common and earliest front axle seal leak symptom is oil puddles underneath the front of the vehicle. Door seals are used to minimize noise from travelling through gaps in the door frame and the door itself. Metal Latch. Does steal have a short or long vowel sound? The EA in steal has the long E sound, as do steel, wheel, peal, real, seal, and teal. The hood is used in visual displays towards females and other males, and can also be used in sound production. Beyond vocal communicationWithin mammalian bioacoustics, vocal communication has received much attention. Grey seals are highly social animals, living in colonies of up to thousands of individuals. Underwater, the seal can hear sounds ranging from 1 to 180 kHz, but in the air, it can only hear sounds ranging from 1 to 22 kHz. The baby seals were played sounds from the Wadden Sea for several days at three different volumes ranging from no sound to 65 decibels. The females only weigh 40-50 kg (90-110 lb). Regular caulk hardens and can crack or shrink quickly. 0:04. Now attempt to pick your jar up holding onto nothing but the lid. To see if this has occurred, hold the jar level with your eye, and look for an indention at the center of the lid. Special Operations Command (USSOCOM) and the Navy developed the Special Operations Peculiar (SOPMOD) M4A1 Accessory Kit to make this weapon. Add the “Peel & Seal Adjustment Cost” to the cost of the peel and seal you expect to use as sound deadener. Leaking pinion seal. Romance in the world of northern elephant seals is generally rough going. Seals have shorter front and hind fur-covered flippers with long claws. My microphone (mic) is not working / being detected in Windows 10. Download. (Similar to your "wetsuits") But most sentients prefere the ring to seal along a compatible material neck cover for comfort. Southern elephant seals breed on land but spend their winters in the frigid Antarctic waters near the Antarctic pack ice. . Harbor seals have large eyes. I do like how you manage to make your character in different forms. They have a visible ear flap and are able to slightly “walk” on land using their hind flippers. Photo provided by Ben Burville. 1. Seals have shorter front and hind fur-covered flippers with long claws. Maggie The Sea Lion is quite the character! Subscribe to our channel for funny cat videos!Not only that, but the team says the ultrasonic calls are used frequently. Sealed: The lid dips towards the center; giving. Rather than rely on sight and sound, the seals use antenna-like whiskers—precise instruments of marine carnage capable of sizing up a herring down to the centimeter. Sound travels differently through water, and therefore marine mammals have developed adaptations to ensure effective. One of the most common and most noticeable signs of a problem with one of the vehicle’s axle shaft seals is a puddle of fluid. Each vibrissa can move independently. Males weighing upwards of 4,000 pounds duke it out in. The energy strikes your eardrum (located in your middle ear) and travels to your. What is the sound made by Seal called? List of animal soundsTicking Sound. Understanding the sounds of seal pups can provide valuable insights into their behavior and social interactions. Pups haul out to get much-needed rest and to warm up out of the cold Pacific Northwest waters. Leopard seals are solitary pinnipeds with a circumpolar distribution around Antarctica. A third hunting method is to raid the birth lairs that female seals create in the snow. seal pronunciation. Southern elephant seals are named after the large proboscis (nose) of the adult males, which is used to make loud roaring sounds, especially during the mating season. Vocalizations include barks, growls, and grunts. On one track, the two tones are played together. Also, sea lions make a lot of noise. 2. Seals are a group of three families and 33 species of web-footed aquatic mammals. Researcher Laura Bogaard of Oceans Initiative. When my granny was 92. However, along the coastlines of Washington and Oregon, they are born as early as April (view map of pupping season). Learn more. Lawrence in the west. The underside of ringed seals is silvery. For context, only about 40% of women can identify their baby's cry 24 hours after birth. How to say seal in French? Pronunciation of seal with 4 audio pronunciations, 1 meaning and more for seal. 9. There is the hint of a schwa vowel created by the following L. In 1994, U. Appearance. BEST USES: Meeting rails, double-hung window jambs, and window stops. Other animals that make this noise include, but are not limited to, wolves, [1] coyotes, foxes, seals, and barking owls. In the air, hearing ability is greatly reduced; harbor seals. 2, 2021 — Can baby seals adapt their voices to sounds? Researchers have now studied seal pups only a few weeks old. Clean ANY dust, dirt, or debris from eight of the twelve removed dust seals. Male gray seals have a distinctively arched Roman nose, which gives them their other common name — horsehead seal. With the toilet bowl full of water, fit the head of the plunger tightly to the drain hole in the bottom of the bowl. It has a. References. It has a. 8. What sounds does a harp seal make?How does sound travel in very shallow waters? SONAR Equation. After all, despite any of the bad things he's done, Naruto lovers still adore him. How many solutions does Seal Sound have? With crossword-solver. sealife center in Seward, Alaska San Diego Zoo Hear how to say happiness in French (funny): other weird-sounding French words: Method 1: Seal the gaps. These sounds can be used for defense against predators or as mating calls. Ross seals live in the open seas and on pack ice that is difficult to reach. If you have a good seal, you should be able to do this easily. 2 ft) long and weigh 200-250 kg (440-550 lb) on average. A kit includes automatic door bottoms and neoprene door jamb and a threshold to engage the door bottom. What sound does an arctic seal make? The range, pitch, and variety of these noises, however, are all vast. Pinnipeds have the extra challenge of needing to hear well in both air and water. The largest colonies of northern elephant seals are found off southern California in the Channel Islands. Sea lions produce sounds both above and below water. Sound is capable of moving through any medium — even a solid one. Hawaiian monk seal, Monachus schauinslandi. Unscrew the band you used to hold the lid in place during processing. 9. Seals use a variety of sounds to communicate with each other. M4A1. This video intended for kids to help to discern animal sounds, SUBSCRIBE for more. Also, sea lions. 4. Like many marine animals, Harbor seals have streamlined fusiform bodies, tapered at both ends. . Kerguelen Fur Seal Arctocephalus Gazella. Bearded seals are gray-brown in color. They do not have external ear flaps. 3. Press on the center of the lid -- if it doesn't move, the jar is sealed. no thank. Download. Humans hear in the sonic range of 20 to 20,000 hertz (or 20 kilohertz), the researchers noted. 2 kHz. Thanks to federal laws like the Marine Mammal Protection Act, many populations of. Waking up to a seal spending a half hour trying to regurgitate a crab while shitting at will isn't something the folks at r/liveaboard talk about much. Here’s a table of common seal sounds along with their meanings or interpretations: Seal Sound. Search. Tesla has installed a sturdier, thicker, and firmer door seal with the. The judgments heralded by the seven trumpets will take place during the tribulation period in the end times. Adults, on average, weigh 90-140 kg (190-309 lb) for males and 65-80 kg (143-176 lb) for females, though pregnant females may weigh up to 140 kg (309 lb). How do you spell seal animal in French? seal (= animal) phoque m. The seals have a dark dorsal surface, light ventral surface, and distinct vertical “streaks” from their. By Andrew Evans. He is doin. Summary: Pinnipeds (seals, sea lions, and walruses) generally make a variety of sounds in the general range of 0-20 kHz. A seal makes a sound that is a mixture of a bark and an eerie whaling sound, depending on the species of seal. View More Notifications View More Messages. The pups also kept a more steady pitch with the more intense noise levels. Antarctica. An easy and inexpensive method is to buy adhesive-backed, flexible foam weatherstripping. Have you ever wondered what a seal sounds like? After viewing this informative video, you'll wonder no longer! Enjoy being educated by our professional. The pinniped ear is adapted for hearing underwater, where it can hear sound frequencies at up to 70,000 Hz. If you press a suction cup flat against a wall and pull back, the inside of the cup will contain a vacuum. So about 2 years ago, I started sound deadening my doors and back wall in the double cab with Home Depot's Peel and Seal, and also another similar material from Lowes. Description. • 10 yr. , ships, sonar, and drilling) have increased – in some instances significantly. Sea lions are known to bark whenever they come out of the water as they snort to clear their nostrils. Seal in Different Languages: Please find below many ways to say seal in different languages. If air or ‘water’ can pass through the assembly, so can sound! So be sure to seal up any seams or gaps. Gray seals are part of the "true” seal family. There are a total of 18 genera of seals and 33 living species of seals within these 3 families. A mournful call sings out on the beach, followed by another similar cry, then another. English singer and songwriter Seal has released ten studio albums, four live albums, two compilation albums, forty-three singles and four video albums. Seals have the capacity to produce a variety of sound types, from barks and whistles to clicks, yelps, and growls. ”. Pups utter “mwaa, mwaa, mwaa” and, when disturbed, an explosive “aaah” or “gaah. Seal, I am a Seal, What do I say? Bark, bark, I say it all day. 0. . A new 4-CD/2-LP Deluxe Edition of 'Seal,' which features Remastered Audio,. Trainer of Cetaecaens and Pinnipeds, Ray Molnar explains some of the purposes of harbor seal vocalizations at a young age, purposes of marking territory. 7. When you’re vacuum sealing your food, the sealer vacuum automatically removes the air and seals the bag. Seals have large eyes to see in dark, deep water. ”. You have to get very close to see the tiny holes on the sides of a seal’s sleek head. How Does A Baby Elephant Seal Sound Like? Why do elephant seals make noise? Mothers and pups learn to recognize each other by vocalizations and sniffing immediately after birth. . Seals are the common name of two families of carnivorous mammals that lead a semi-abdomen lifestyle, a polyphyletic group that used. True Seals (Phocids)The bearded seals, however, can only do so much. Its a metal on metal sound as the latch is locked. This stable population of marine. Before releasing the pups at 1-3 weeks old from a Dutch rehabilitation center, researchers played sounds from the sea at different volumes for the pups and recorded how the pups responded. they bark like dogs but they have a higher pitch. 3105. Coiffeteria Blog . They have a smaller, wider head, and a short snout. Velopharyngeal insufficiency (VPI) occurs when the seal between your oral and nasal cavities doesn’t close completely. Playback stimuli were played to animals using a Skytec 170. Think about sound in a similar fashion to water. Seal sounds - free downloadSeal Sounds - What sounds does a seal make?Amphibious marine mammals consist of the pinnipeds (sea lions and fur seals, Family Otariidae; true seals, Family Phocidae; and walruses, Family Odobenidae), sea otters. And the researchers got really excited, as evidenced by the video and these articles (worth reading, and very accessible to laypersons, speaking as someone who sadly did not pursue a childhood fantasy of oceonography):. com. Replacing one single-pane window with a double-pane equivalent will run you $350 to $900. On the experimental front, a new acoustic device is being tested as a deterrence for harbor seals and California sea lions that have been feasting on threatened salmon and steelhead coming through the Ballard Locks on their way into Lake Washington. Most of the newfound seal sounds exceeded 21 kHz, with some consistently rising to 30 kHz. Seals are essential members of their ecosystems, both as predators of fish, squid. Trainer of Cetaecaens and Pinnipeds, Ray Molnar explains some of the purposes of harbor seal vocalizations at a young age, purposes of. Here we explain how to detect and repair loose, leaky toilet base seals - why the wax ring seal is critical for sanitary toilet function and how to spot and fix a leak. They live almost exclusively in the Southern Hemisphere, with. As in many mammals and birds, pinnipeds possess nictitating membranes. 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. Add the “Peel & Seal Adjustment Cost” to the cost of the peel and seal you expect to use as sound deadener. They grow to lengths of about 7 to 8 feet and range from about 575 to 800 pounds. It can take up to an hour or even longer for a canning lid to seal, and jars should be left undisturbed for a full day before you check their closures. The “e” in “phoque” is pronounced like the “e” in “bet. Seamed like it was an ok idea - lots of 'people on the internet' saying there is no smell and that the stuff keeps well against the surface, and it. A repertoire of barks, growls and groans helps sea lions recognize each other, establish and defend territories, and engage in other social interactions. The answer is simple: ceil, seal, seel are homophones of the English language. That gasket can eventually wear out, resulting in a fluid leak. It does this by measuring how your eardrum moves. And, while this is a labor-intensive job, it isn’t terribly expensive. His work gives an insight into the vocal communication of humans, as well as seals. [1]Seals see very well under water—better than they do in bright light above water. All pinnipeds have four flippers, a layer of blubber, and sensitive whiskers on their snouts. Various Seal Sound Effects in full HD. #animalsounds #animalvoices #wildanimals #animals #wildworld #seaanimals #sealDoor sweeps and seals reduce air and sound by lining the perimeter of doors with aluminum and silicone. This provides an efficient seal to reduce airborne sound transmission in wall assembly systems. Hooded Seals are known to be deep diving feeders, with dives typically lasting 20 minutes and to a depth of 1900 feet. ) You can also create a vacuum inside of a syringe. Replace the stock ear tips with another size, listen to the same song you just listened to. The seal in the toilet fill valve might be corroded or deteriorated. Harbor seals are among the few mammals capable of mimicking human speech because they can change the tone of their vocalizations. These weaker young seals struggle to breathe, which compromises their ability to dive for food. Run with me if you dare. The first woe occurs in Revelation 8:13. The latter sounds appear to be used as they home in on their prey, maybe similar to the way dolphins do.