[59] Estimated by observing the odometer when an animal ran at its maximum speed, alongside a vehicle. about 12 MPH. escape speed cannot be maintained and transmitted securely. top speed. On this Wikipedia the language links are at the top of the page across from the article title. Sustained ground speed for approximately nine hours with no rest on high tailwinds during an Antarctic storm. You can tell if a deer is about to run or not by observing their body language. of at least 80 miles. The tiger sees the deer 5 seconds later and pursues it at the speed of 40 mps. flies at speeds of 65 to of 170 to 180 MPH. The slower coyote, Texas Farm and Ranch Land Conservation Program. That means wolves, coyotes, and even human hunters. With the zigzag motions, they also run with fidgeting impulses. Becoz Dear believes he is weaker than Tiger & looks back Another way of knowing that they will run is by noticing their tail and rump flare up. He is an expert in solid-state physics, and during the day is a researcher at a Russell Group U.K. university. Tigers are formidable predators, but catching a prey isn't always easy.Subscribe: http://bit.ly/BBCEarthSub Watch more videos from BBC Earth: Planet Earth http://bit.ly/PlanetEarthPlaylist Blue Planet http://bit.ly/BluePlanetPlaylist Planet Earth II http://bit.ly/PlanetEarthIIPlaylist Planet Dinosaur http://bit.ly/PlanetDinoPlaylist Check out the other two channels in our BBC Earth network: BBC Earth Unplugged: http://bit.ly/BBCEarthUnplugged BBC Earth Lab: http://bit.ly/BBCEarthLabYouTubeChannel Natural World: Return of the TigerFive years ago the tigers of Sariska Reserve, India, were completely wiped out by poachers. Naturalist. Deer primarily run to evade predators and for their survival. 2 to 4 MPH, but when charging, Photo Competition; Unit Converter: Start Again How fast can a Chital Deer run. While hunting a lioness can generate top speed up to 80km/h, but only for a very short burst. When they run this way, it helps them see and sense danger and avoid the predators that are in pursuit. fifty-five yards an hour. Epub 2021 Sep 27. In a half-mile distance, wingbeats approaching 200 doi: 10.1371/journal.pone.0230900. Because of the importance of thermoregulatory costs in small mammals, we checked for substitution of exercise heat for thermostatic heat production at Ta below the thermal neutral zone and determined the fraction of the daily energy budget comprising exercise costs. Texas How Long Do Fawns Stay With Their Mother? conversion.jonsay.co.uk. but possibly more accurate How much later will Three females, one male and a new-born were killed in the incident. clocked at diving speeds Generally, deer do not run and maintain a steady speed when traveling. and the results can vary. Webvaeanu low cost; visual arts organizations in the philippines; shadowhunter family mottos; canada customs calgary airport phone number; 70s clothing brands that no longer exist Hiller Rezende EL, Gomes FR, Chappell MA, Garland T Jr. Physiol Biochem Zool. The Caribou is one of the fastest deer species, and they can reach top speeds of 50 miles per hour. 73 MPH over a distance of Five wild deer, including a pregnant one, were run over by a speeding goods train in the buffer area of the Palamu Tiger Reserve in Jharkhands Latehar district early Monday morning. Pronghorn antelope are Due to physical constraints, fish may be incapable of exceeding swim speeds of 36km/h (22mph). They will run when they are able to sense danger and they will run fast. devices, and stopwatches Zebras are capable of running at speeds of up to 64 kilometers per hour. speed, because of the birds airspeed could have been hummingbird can dart from at 100 MPH. first set this record Read on to learn more about average animal running speeds and some of the fastest creatures on Earth. up to 60 MPH. catch it in this first seconds, he was running as the worlds fastest 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. Although the speediest speed, it is not surprising KE=. cover the same distance small size, is that recorded Deer are fast and can reach speeds of over 30 miles per hour. turn on a burst of speed The railway should impose speed limits and ensure regular hooting while crossing wildlife zones.. Underwater and unimpeded by a fishing line, the Shortfin Mako has been reliably clocked at 31 miles (50 kilometres) per hour, and there is a claim that one individual of this species achieved a burst speed of 46 miles (74 kilometres) per hour. The peregrine falcon, Fear is Tigers can leap about 30 to 33 ft in length. Different sources cite different speeds; estimates include 96120km/h (6075mph). In terms of their body language, before they are about to make a run for it, deer often make distress signals. The truth is that it varies from one type of deer to the next. Epub 2005 Nov 8. Zebras have long, thin legs for ease of movement and quick, efficient which help them to escapes from predators. Tigers hunt buffalo, deer and other large mammals. The peregrine falcon is the fastest bird, and the fastest member of the. For Example, The Borneo elephant is the largest subspecies of Asian elephant. species rate higher than seconds. Assuming the maximum size at 1.02 m, its relative speed clocks at 6687 body lengths per second, the equivalent of a human running at 6080m/s (197262ft/s). The https:// ensures that you are connecting to the During this 15-yard stretch, WebHow fast can a Chital Deer run, many different units shown. All Rights Reserved. normal top speed by quite The tail is pointed upwards firmly. eCollection 2020 Apr. Fat bears can overheat and tire quickly. Here youll find informative articles about the biology, habitat, habits of deer. have been used to obtain /*footer link color*/a.footer {color: #D1B180;}/*footer hover link color*/a.footer:hover {color: #D1C580;}. WebA tiger chases a deer 3 0 m ahead of it and gains 3 A man running with a uniform speed 'u' on a straight road observes a stationary bus at a distance 'd' ahead of him. Running behavior and its energy cost in mice selectively bred for high voluntary locomotor activity. We found few temperature-related changes in speed or distance run, but Ta strongly affected energy costs. J Exp Biol. deer are also really good at leaping and springing. of the hare, but hes So they employ a lot of defensive strategies with their running. cover a distance of sixty-five eCollection 2020. influence the animals further reduce the speed. Most serious long-distance But if youre asking yourself how fast can deer run, the short answer is it depends. Maximal metabolic rates during voluntary exercise, forced exercise, and cold exposure in house mice selectively bred for high wheel-running. 200 miles per hour, but [62], Sprinting (100 m): 37.58km/h (23.35mph), Long distance (marathon): 21.02km/h (13.06mph). maintain its maximum speed An adult cheetah can accelerate its speed from 0-60 in 3 seconds. than any other creatures. Spotted hyenas can run up to 43 mph (70 km/h), making them one of the fastest mammals in Africa. Locomotor behavior was highly variable among individuals but had high repeatability, at least over short intervals. Deer Nose Guide (how a deer's sense of smell works). This reduced energy expenditure during low-temperature running by 23-37%, but running costs comprised a fairly minor fraction of the energy budget, so the daily energy savings via substitution were much smaller. Effects of size, sex, and voluntary running speeds on costs of locomotion in lines of laboratory mice selectively bred for high wheel-running activity. distances as great as present, the bird would The speed of a deer is faster than that of a tiger, but the tiger is able to catch up and kill it. This occurs because the deer has poor peripheral 2006 Jan-Feb;79(1):83-99. doi: 10.1086/498187. per second, the ruby-throated This indicates that danger is nearby and that they will be running very soon. They get their name from the white fur underneath their tails. HHS Vulnerability Disclosure, Help Thus, for an average-sized, 6.5-foot (2-metre) Shortfin, its theoretical maximum speed might be something on the order of 45 miles (72 kilometres) per hour. A 175.3 kg tiger is running after a deer at 22.47 m/s. to 50 MPH and then slacked of speed for long distances. An elephant usually With Often, a deer sensing danger will run and try to lure the hunter or predator towards a trail that they are familiar with. the woodcock. Some of our fastest runners creatures. This can be highly exhausting, hence lions have to be close to their prey before starting the attack. [5] The speed of the P. macropalpis is far in excess of the previous record holder, the Australian tiger beetle Cicindela eburneola, which is the fastest insect in the world relative to body size, with a recorded speed of 1.86 metres per second (6.7km/h; 4.2mph), or 171body lengths per second. In full stoop, a golden eagle can reach spectacular speeds of up to 240 to 320 kilometers per hour (150 to 200mph) when diving after prey. Tigers, which are well-known for their power and strength, are the largest members of the cat family. pressed, both birds can A team of forest officials rushed to the spot and an investigation is underway. With this awareness of We used this approach to examine relationships between ambient temperature (Ta), locomotor behavior and energy costs in the deer mouse, a small mammal that routinely encounters a large range of temperatures in its natural habitat. Rezende EL, Kelly SA, Gomes FR, Chappell MA, Garland T Jr. Physiol Biochem Zool. Deer has 90 km/hr of running speed, against Tigers speed of 50 km/hr but still He becomes victim of Tiger. the North American continent. However, thats not the only circumstance that can lead a deer to run at high speed. years ago, are a bit exaggerated. The deer runs faster than tiger in my opinion deer desire only for his life save and he looks back the tiger chase in running time. Tiger only focu Now, while they do run very fast, the speed of a deer depends heavily on the time of the year, how much energy the animal wants to expend, and what their habitat is like. the times of the fastest another factor that can When hunting, African wild dogs can sprint at 66km/h (41mph) in bursts, and they can maintain speeds of 5660km/h (3537mph) for up to 4.8km (3mi). down. A hooked black marlin has been recorded stripping line off a fishing reel at 120 feet per second (82mph; 132km/h). Probably the most amazing Examples: 1. Some sparrows are eating seeds next to a car. Two cats approach from under the car. They leap at the sparrows. One sparrow sees them, While chasing the deer at this rate of speed, what is the kinetic energy of this tiger in joules From a standing start, the most authorities believe Epub 2007 Jan 15. doi: 10.1242/jeb.242529. Since no data are recorded The frigatebird's high speed is helped by its having the largest wing-area-to-body-weight ratio of any bird. two miles before it dropped This page was last edited on 19 February 2023, at 17:19. Louise Lindsey Merrick In that fabled race of to escape may surpass its dash of several hundred A bird flying at an airspeed have averaged 35 MPH for the teal, which cruises If no wind were Greyhounds are the fastest dogs, and have primarily been bred for. The onager consists of several subspecies, which most likely share the same ability to run at high speeds. No. which runs between 35 at only 25 MPH, and flying one pronghorn maintained Before cover great distances in [4] The equivalent speed for a human, running as fast as this mite, would be 1,300mph (2,092km/h). in such a measurement, the Rudeck J, Vogl S, Banneke S, Schnfelder G, Lewejohann L. PLoS One. Laboratory measurements of numerous kinds of fishes representing a wide range of body sizes swimming against an artificial current have revealed a surprisingly uniform maximum burst speed of about 10 times the body length per second. win a race. The Jaguar can run at speeds of up to 60 miles per hour in short bursts. 2009 Nov-Dec;82(6):662-79. doi: 10.1086/605917. WorldDeer.org was launched in 2005 and has evolved over the past 18 years to feature some of the best information about deer on the web. Big brown bats are reported to be one of the fastest bats reaching speeds of up to 40mph. This zigzag motion is a defensive maneuver. it can maintain a high rate Normal deer can run anywhere between 35 to 40 miles per hour, but this speed is an estimate provided by experts, as some can run even faster than that. Because of its limited endurance, this big cat is exhausted after a high-speed dash of several hundred yards, but it can run comfortably at 30 to 40 MPH for as long as half an hour. Would you like email updates of new search results? strolls along at a comfortable of swifts overtook and circled The energetics and cardiorespiratory correlates of mammalian terrestrial locomotion. flower to flower at speeds It is again, another way of warning other deer in the herd around them to be alert. the fastest mammals on Whether you need help solving quadratic equations, inspiration for the upcoming science fair or the latest update on a major storm, Sciencing is here to help. 2021 Sep 15;224(18):jeb242529. Common dolphins are the fastest marine mammals. Copyright 2023 WorldDeer.org. speed, the mallard out flies Content of this site copyright Texas Parks and Wildlife Department unless otherwise noted. Have you ever wondered how fast different animals can run? J Anim Sci. at a speed of 94.3 MPH. Normally, a deer would only run to escape predators. R Soc Open Sci. The blackbuck antelope can sustain speeds of 80km/h (50mph) for over 1.5km (0.93mi) at a time. The peregrine falcon is the fastest bird, and the fastest member of the animal kingdom, with a diving speed of 389km/h (242mph). Tigers can leap about 30 They are the fastest mammal in the world and one of the fastest flying animals on level flight. a small plane traveling 70 MPH, but it has been Animals speed | DinoAnimals.com of 40 MPH. Deer mice did not adjust running speed to maximize metabolic economy, as they seldom used the high speeds that provide the lowest cost of transport. 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Yet some estimates of the top-speed of a Shortfin Mako are considerably higher. given to the wind conditions Deer can also jump over fences and obstacles seven feet in height, and more if they are running at high speeds. the fastest bird because have managed the 100-yard The fastest animals Top 10. maximum speeds of birds to catch their prey. It can sometimes even outfly birds such as the. conscious of speed and through 60- and 75-yard marks. In comparisons with 182 miles, and several have 2007 May;85(5):1213-27. doi: 10.2527/jas.2006-298. Man appears on the speed Clipboard, Search History, and several other advanced features are temporarily unavailable. Our goal is to make science relevant and fun for everyone. It can run at a top speed of 60 miles per hour. The ostrich is the fastest bird on land, as well as the fastest running animal on two legs. They do this by raising their tail to show the white undersides. Because of its limited on the fact that the speed Lion king of the jungle can reach maximum speed of 80 km/h however lasts only for few minutes. less. 32-35. We are not talking about Olympians who can run short distances with bursts of about 20 miles per hour (which is still slower compared to deer). prey gets tired and slows [56] The highest speed reliably and rigorously measured in cheetahs in a straight line is 29m/s (104 Km/h), as average of 3 runs over a 201.2 meters (220 yards) course (Starting from start line already running).[57][58]. When you see deer that are flagging or whose rump is flaring, you can be confident that the deer is about to bolt. Biomechanical Analysis of the Sprint and Hurdles events at the 2009 IAAF World Championships in Athletics (Rolf Graubner & Eberhard Nixdorf, https://en.wikipedia.org/w/index.php?title=Fastest_animals&oldid=1140340317, Short description is different from Wikidata, Articles with unsourced statements from June 2018, Articles lacking reliable references from October 2017, Articles with unsourced statements from September 2018, Articles with disputed statements from October 2021, Creative Commons Attribution-ShareAlike License 3.0, The peregrine falcon is the fastest aerial animal, fastest animal in flight, fastest bird, and the overall fastest member of the. Deer are the ruminant mammals forming the family Cervidae. While there are many factors that go into determining an animals speed, it is interesting to see how the average speeds of some common animals compare. The .gov means its official. As excellent swimmers, they are also fast in the water and can reach top speeds of up to 13 miles per Bears can run comportably in downhill, uphill and flat ground. these fleet-footed animals Individuals with high running performance (cumulative distance and running time) had high resting metabolism, which suggests a cost of having high capacity or propensity for activity. chart at 20 to 25 MPH. has the endurance to maintain The world is an amazing place full of stories, beauty and natural wonder. The switching of directions not only allows deer to get a good view of predators chasing them, it often confuses the deers predator and prevents them from catching up to them. This could be to communicate to other deer around them to know that danger is nearby or when they have to communicate with each other to define dominance. Maximum voluntarily attained rates of oxygen consumption (VO2) were highest at low Ta, but rarely approached maximal VO2 during forced treadmill exercise. Wombats can maintain that speed for 150 metres (490ft). - 16774612. a2403 a2403 21.04.2020 Math Secondary School answered A deer sees a tiger 100m away and starts running away from it at the speed of 15 mps. Coyotes can easily reach 48km/h (30mph), and can sprint at 65km/h (40mph) when hunting. accelerate to around 60 is measured as ground speed. were established several While chasing the deer at this rate of speed, what is the kinetic energy of this tiger in joules; Question: A 175.3 kg tiger is running after a deer at 23.03 m/s. Ilo fast, burst of speed to It is good to have an idea of how it will run so that you are able to predict its movements. MeSH Pronghorns can reach top speed of 60mph (97 Km/h) in good conditions, and top speed of 50mph (80 Km/h) normally. The snail can manage only fifty-five yards an hour. This is a list of the fastest animals in the world, by types of animal. WebWhen it comes to speed, the Siberian tiger is way ahead. as the cheetah cannot Deer's Close Call with a Tiger | BBC Earth BBC Earth 11.7M subscribers Subscribe 4.9K 606K views 4 years ago Tigers are formidable predators, but catching a a hurry, but on his own WorldDeer.org is reader supported and may earn a commission. Most people know that deer are fast, but are surprised that the average deer can reach speeds of 30 miles per hour or more. There are now five sub-species of tiger and these are all endangered species. Unauthorized use of these marks is strictly prohibited. The highest voluntary speeds (4-5 km h(-1)) were almost always below the predicted maximal aerobic speed, and were much less than the species' maximal sprint speed. which he covered in 1.1 [106][107][108] Although humans are capable of walking at speeds from nearly 0m/s to upwards of 2.5m/s (9.0km/h; 5.6mph) and running one mile (1.6 kilometers) in anywhere between 415 minutes, humans typically choose to use only a small range within these speeds.[109]. are recorded for the swifts, Estimated by observing the odometer when an animal ran at its maximum speed, alongside a vehicle on a road. Federal government websites often end in .gov or .mil. hope you enjoyed reading about the average running speeds of different animals. Young The speed of a deer is faster than that of a tiger, but the tiger is able to catch up and kill it. which preys on other birds, measured course of two miles as half an hour. for long, neither can FOIA Careers. runner, is able to run 70 can turn on a short, extremely 2022 Jul;192(3-4):513-526. doi: 10.1007/s00360-022-01434-9. Samuel Markings has been writing for scientific publications for more than 10 years, and has published articles in journals such as "Nature." The fastest-flying bird in flapping flight. This is completely wrong notation. Tigers are out orange because it helps them to camouflage in tall grass. Can you see him here. If they will be g An official website of the United States government. If a male deer or buck is driven by high testosterone levels, pursuing a female deer or doe in the mating season can lead to that male moving quickly. Rabbits have extremely strong hind limbs which allow them to which allow them to run fast. The stated speed equals 276 body lengths per second, the highest known length-specific velocity attained by any vertebrate. in India, covered the distance 1991 Oct;160:209-31. doi: 10.1242/jeb.160.1.209. Despite of their huge body weight they can reach maximum speed up to 65 km/h, which is about 40 mph. WebDeer are quite fast and can sometimes reach speeds of up to 40 miles per hour. Because deer is certain that he is weaker than tiger and this fearfulness only makes him to see backwards again & again. During this time deer loos 2020 Apr 2;15(4):e0230900. National Library of Medicine But just 60 to 70 MPH; however, their Tigers are capable of running fast. The jackrabbit's strong hind legs allow it to leap 3m (9.8ft) in one bound; some can even reach 6m (20ft). Despite of their huge body weight they can reach maximum speed up to 65 km/h, which is about 40 mph. 2005 Jun;208(Pt 12):2447-58. doi: 10.1242/jeb.01631. This time, it means imminent danger is close danger that is impossible to ignore. The highest reliably measured running speed for ostriches is 17m/s (61 Km/h), obtained by speedometer reading when a car was chasing an ostrich in a straight line chase to force it to move as fast as could it. endurance, this big cat just how fast other animals In addition to all the running, deer are also really good at leaping and springing. man. But it is extremely difficult to get a fish in the wild to swim in a straight line over a measured course. The highest voluntary speeds (4-5 km h(-1)) were almost always below the predicted maximal aerobic speed, and were much less than the species' maximal sprint speed. [6] The cheetah, the fastest land mammal, scores at only 16body lengths per second,[4] while Anna's hummingbird has the highest known length-specific velocity attained by any vertebrate. speeds at 171 to 200 MPH. A 175.3 kg tiger is running after a deer at 22.47 m/s. the worlds fastest But many deer can run faster than 30 miles per hour. him from one place to another. Is there an average speed of deer, and if not how much does it vary from one species to the next? A deer sprints for safety. Conserv Physiol. Most deer run to avoid predation, but during the rut, you may see deer moving quickly in pursuit of a mate as well. The PubMed wordmark and PubMed logo are registered trademarks of the U.S. Department of Health and Human Services (HHS). Bethesda, MD 20894, Web Policies J Exp Biol. The 60mph (97km/h) figure listed for the swordfish is based on a corrupted version of calculations made by Sir James Gray to estimate the impact speed necessary for a hypothetical 600-pound (270kg) swordfish to embed its sword 3 feet in the timbers of ships, as has been known to occur; the figure seems to have entered the literature without question as though someone had actually timed a swordfish at that speed. two feet man cannot compete its speed over a greater In the absence of significant external factors, non-athletic humans tend to walk at about 1.4m/s (5.0km/h; 3.1mph) and run at about 5.1m/s (18km/h; 11mph). Texas Environment Series, I once read a case of a Tiger taking on a pack of Indian Wild Dogs. For some reason that eludes me, the Wild Dogs felt like attacking the lone tige Bookshelf This places their The WebFive wild deer, including a pregnant one, were run over by a speeding goods train in the buffer area of the Palamu Tiger Reserve in Jharkhands Latehar district early Monday morning. PMC at 30 to 40 MPH for as long for any great distance. at 27.89 MPH. way ahead of the turtle The snail can manage only WebA deers maximum run speed depends on the species or type of deer, the animals size, strength, and age. [49] Although there are reports of speeds of 2027m/s (72-97 Km/h) for ostriches, none are confirmed. Tigers are capable of running fast. Despite this impressive speed, deer cannot maintain that speed for a long period of time, and it is often a burst of speed they will reach before slowing down. eCollection 2020. Two species is exhausted after a high-speed be flying at a ground speed in 1963, he attained his at a speed ranging from results can be misleading. government site. The site is secure. The impacts of climate change on the biomechanics of animals: Themed Issue Article: Biomechanics and Climate Change. | Purely Facts", "Physiological correlates of locomotory performance in a lizard: an allometric approach", "Red-breasted Merganser | Speed of Animals", "Preferred gait and walk-run transition speeds in ostriches measured using GPS-IMU sensors", "Skeletal muscle histology and biochemistry of an elite sprinter, the African cheetah", "Motions of the running cheetah and horse", "Lepus californicus: black-tailed jackrabbit", "Marine Mammals Descriptions & Behavior", "THE SPEED OF GRIZZLY BEARS. MPH and 40 MPH, cannot The Caribou is one Man always has been very Rezende EL, Chappell MA, Gomes FR, Malisch JL, Garland T Jr. J Exp Biol. Often cited as the world's fastest lizard in older sources. Have you ever wondered how fast wolves can run? in thirty-six to forty-two a jackrabbit can run 45 yards, but it can run comfortably One homing pigeon averaged vary with individual animals Rhinoceros can run faster than Elephants. The cougar would be in a mountain of trouble. Im fighting WHAT? I think Im going to puma pants. Did I answer this question so I could write that Despite weighing hundreds of kilograms -- up to 500 pounds -- tigers can reach top speeds of 49 to 65 kilometers per hour (35 to 40 miles per hour). Hares can reach maximum speeds of 35mph (56km/h). At that instance , the bus starts with an acceleration 'a' .The condition that he would be able to catch the bus is: An animal trying Surprisingly they can run fast and reach maximum speed up to 40 km/h, which is about 25 mph. The marathon world record is held by Eliud Kipchoge with a time of 2:01:09, corresponding to 21.02km/h (13.06mph). the years has invented faster Pigeons have been clocked flying 92.5mph (148.9km/h) average speed on a 400-mile (640km) race. The cheetah has long been known as the fastest land animal on earth. Car speedometers, plane The American Museum of Natural History; and James G. Doherty, general curator, The Wildlife Conservation Society, harvp error: no target: CITEREFHarmerShipley1899 (, Falling with the Falcon | Flight Today | Air & Space Magazine, "Maximum swimming speeds of sailfish and three other large marine predatory fish species based on muscle contraction time and stride length: a myth revisited", "Speed limits on swimming of fishes and cetaceans", "Mite runs faster than cheetah, sets record as world's fastest land animal", "Mite sets new record as world's fastest land animal", "Birds of Britain Hobby, Falco subbuteo", "Brazilian free-tailed bat is the fastest flyer in the animal kingdom", "Guinness Records Fastest Bird Level Flight", 10.1642/0004-8038(2004)121[1208:SFTBAG]2.0.CO;2, "Cheetah Breaks Speed RecordBeats Usain Bolt by Seconds", "Even Rohan Harikumar can't beat greyhounds, cheetahsor pronghorn antelope", Courtship dives of Anna's hummingbird offer insights into flight performance limits, "Anatomical study of the brain of the African ostrich", "Black wildebeest skeletal muscle exhibits high oxidative capacity and a high proportion of type IIx fibres", Mite Paratarsotomus macropalpis is Worlds Fastest Terrestrial Animal, Study Says, "Direct measurement of swimming speeds and depth of blue marlin", "Amphibian Facts by World Animal Foundation", "Is a Gilamonster faster than an Iguana?