How big do sea turtles get - There are three species of sea turtles native to the Hawaiian Islands: the Green, the Hawksbill, and the Leatherback. These fascinating creatures have played important roles in the environment and culture of Hawaii's people. Of the three native sea turtles, the Green Turtle (Honu) is the most common. These turtles, which can weigh up …

 
Mar 23, 2021 · This diversity is one way sea turtles play an important role in the health of ocean and coastal ecosystems. By consuming different species, sea turtles provide checks and balances in the food web. As adults, flatback and olive ridley sea turtles are both omnivores, eating a variety of animals and plants. Meanwhile, green sea turtles as adults ... . Eagles vs buccaneers prediction

These large turtles grow to an average length of about 90 cm and weigh around 280 pounds. Tortuguero is one of the most important nesting sites for the ...Yes, sea turtles do eat meat. Most of the sea turtles are omnivores like flatbacks and olive ridley who eat meat besides algae and seaweeds. Some sea turtles such as Loggerheads and Leatherbacks are carnivores and primarily feed on jellyfish, crabs, invertebrates, and other marine animals. In a nutshell, animal flesh is a significant part of ...The mystery of witnessing an adult sea turtle can be a life changing experience. When you visit a nesting beach, go with a trained, professional guide who can ensure your safety and the turtle’s. These females are very sensitive to disturbance, which may prevent them from laying their eggs. Remember that they are endangered, wild animals ...Discover how green sea turtles obtain their energy and the secrets behind their unique feeding habits in this fascinating article. Learn about their foraging techniques, diet, and the importance of seagrass beds in their survival. Unlock the mystery of how these beautiful creatures harness the energy they need to thrive in the ocean.By Anne Thynne August 12, 2022. Turtles are a very common type of pet, and many people tend to get attached to them due to their unique but endearing appearance. Many new …In addition to being the largest living turtle, the leatherback sea turtle, or leatherback, is one of the largest living reptiles, with adults growing up to 2.4 metres …There are three species of sea turtles native to the Hawaiian Islands: the Green, the Hawksbill, and the Leatherback. These fascinating creatures have played important roles in the environment and culture of Hawaii's people. Of the three native sea turtles, the Green Turtle (Honu) is the most common. These turtles, which can weigh up …There are three species of sea turtles native to the Hawaiian Islands: the Green, the Hawksbill, and the Leatherback. These fascinating creatures have played important roles in the environment and culture of Hawaii's people. Of the three native sea turtles, the Green Turtle (Honu) is the most common. These turtles, which can weigh up …Juveniles are charcoal grey in color, while adults are a dark grey green. Hatchlings are black when wet with greenish sides. Size: Adults measure 2 to 2.5 feet (62-70 cm) in carapace length. Weight: Adults weigh between 77 and 100 pounds (35-45 kg). Diet: Have powerful jaws that allow for an omnivore diet of crustaceans (such as shrimp & crabs ...Leatherback sea turtles (Dermochelys coriacea), also known as lute turtles or simply the luth, are the world’s largest living turtles. They derive their name from their tough, rubbery shell made of cartilage-like tissues. With a length of 1.8 to 2.2m and a weight of up to 900kg, these sea reptiles can swim at 35km/h in water.Leatherback sea turtles ( Dermochelys coriacea) are the largest turtles in the world. An adult's length, measured along the curve of its shell, is typically between 140 and 160 cm. ( "Leatherback sea turtle/ Tinglar, USVI" by USFWS/Southeast is licensed under CC BY 2.0 .) The leatherback gets its name from its leathery shell.Mar 2, 2016 · Eastern box turtles: as their name suggests, Eastern box turtles are native to the Eastern part of the United States and range in size from four to eight inches. In the wild, they can live up to 100 years. Texas map turtle: sensitive to water quality, Texas map turtles must have a spot to bask if kept as a pet. They can range in size from 2.75 ... May 13, 2019 · The red ear slider turtle is a small freshwater turtle native to the Mississippi Valley in the southern United States. Red eared sliders are a medium-sized freshwater turtle, generally 125–200 mm long, but can grow up to 350 mm long. Females are usually larger than males (plastron length 150–195 mm, compared to 90–100 mm for males). Nov 27, 2021 · Baby turtles go through an incubation period, usually lasting 2 to 3 months, depending on temperature. The warmer the eggs are kept, the more likely the babies are to be female. If the eggs were laid in an environment that may see both cool and warm temperatures, the hatchlings have an even chance of being male or female. A turtle (in Java Edition), also known as a sea turtle (in Bedrock Edition), is a common passive mob found in beach biomes. They are the only source of scutes, which drop from baby turtles when they mature into adults. Turtles spawn on the sand in the Overworld on beaches with daylight, but not in its snowy variant or stony shores, occasionally in small groups of up to 5 …always call 252-216-6892 to report any sighting (nesting, live, cold-stunned, dead, tangled, etc.). Watching a sea turtle lay her eggs is an amazing experience that some visitors at Cape Hatteras National Seashore have had the privilege to enjoy! However, nesting turtles can become disoriented or stressed by flashlights, loud noise, and pets.A turtle's shell is attached to their body. Turtles do not look for a bigger shell as they get bigger, instead the shell grows with the turtle. The inner layer ...A baby loggerhead sea turtle with a solar-powered tag attached to its shell swims in the Gulf Stream just after release off the southeast Florida coast in 2009.In this type of symbiotic relationship, one organism benefits, the other is neither harmed nor helped. The most obvious hitchhikers catching a ride on a turtles shell are so called remoras. These fish use bigger sea creatures such as sharks, mantas or turtles as a taxi – even if occasionally a rather slow one.Newborn green sea turtles start at a size of smaller than eight inches long. An adult green sea turtle’s shell can measure anywhere from three to five feet in length. They can weigh as little as 240 pounds or reach up to an astonishing 700 pounds, depending on their sex and health. The largest green sea turtle ever recorded was 5 feet long ...Aug 9, 2022 ... Education Specialist Jill talks all things Leatherback! Want to get involved? Visit our website: https://seaturtleinc.org/ Let's get social!The green sea turtle is a medium to large brownish sea turtle with a radiating or mottled pattern of markings on the shell. The head is small in comparison to the other sea turtles and the biting edge of the lower jaw is serrated. Adult shell lengths range in size from 36-43 inches and weights average 200-300 pounds.How big do Box turtles get in Kansas? The only box turtles indigenous to Kansas are the Ornate box turtle and the Three toed box turtle. They both grow to an adult shell length of 6 inches.Examining five years of data from fishing vessel location devices and the habitats of 14 large marine species, including seabirds, sharks, turtles, sea lions and …Sea turtles are endangered for many reasons including population decline from human activities such as poaching, commercial fishing and illegal trade, along with climate change, po...This is a really big turtle! Second, leatherback turtles do not have a true shell. Instead, their carapace is covered by a leathery skin. There are ...Leatherback Sea Turtles. The largest of all sea turtles, and one of the largest reptiles on earth, the leatherback turtle ranges in size from 4-8 feet in length (1.2 - 2.4 meters) and weighs between 500-2,000 pounds (225 - 900 kg). The average adult measures in between 5-6 feet (1.5 - 1.8 m) and weighs 600-800 pounds (270 - 360 kg).An adult green sea turtle can weigh as much as 300 to 350 pounds, and the leatherback sea turtle can grow up to 1,500 pounds. Green sea turtles are huge animals that can grow as la...Many barnacles can be found on sea turtles, which can affect their mobility and overall health. Excessive barnacles on sea turtles can also increase flow drag, making it harder for them to swim and find food. Barnacle Growth. Barnacle larvae settle on sea turtles and grow into adults over time.Sea turtles are a fundamental link in marine ecosystems. They help maintain the health of seagrass beds and coral reefs that benefit commercially valuable species such as shrimp, lobster, and tuna. Sea turtles are the live representatives of a group of reptiles that have existed on Earth and traveled our seas for the last 100 million years.Do turtles have penises and vaginas? Yes, similar to all other vertebrates male sea turtles have a penis and female sea turtles have a vagina. Both are internal organs located inside the tail. The penis is > 30 cm in length in male green turtles, and the hook at the end of the penis, adjacent to the sperm duct presumably assists in sperm …Description. The loggerhead sea turtle is the largest hard-shelled turtle in the world. The average adult is about 90 cm (35 in) long and weighs around 135 kg (298 lb). However, large specimens may reach 280 cm (110 in) and 450 kg (1000 lb). Hatchlings are brown or black, while adults have yellow or brown skin and reddish brown shells.Of these six turtles, five can be found in the waters of Gulf Islands National Seashore. These include the loggerhead, green, Kemp’s, leatherback, and hawksbill sea turtles. Gulf Islands National Seashore works to protect and conserve sea turtles by protecting their foraging and nesting habitats. Through partnerships with state and federal ...Sep 27, 2022 · Although some softshell turtles are larger than some ridley sea turtles. In all, sea turtles are pretty big. The biggest turtle is a sea turtle and the largest non-crocodilian reptile is also a sea turtle. The leatherback is the largest sea turtle weighing about 550 to 1,540 lbs This is followed by the loggerhead which weighs 169.6 to 440 lbs. Mar 3, 2018 · Sea turtles are relatively large animals. The largest sea turtle is the leatherback, whose carapace (shell) is around 1.75 m (5.7 ft.) in length (this measurement includes the curve of the carapace). The smallest sea turtle is the olive ridley sea turtle. This species reaches around 60 cm (2 ft.) in length. Their breath-holding abilities allow them to dive deep in the ocean to find food. Most turtles can dive to depths of up to 290 m (960 ft). However, one species of sea turtle—the leatherback—can dive over 1,000 m (3,000 ft)! The maximum depth ever recorded for a sea turtle dive was a leatherback that dove 1,200 m (3937 ft). Why is there such an alarming imbalance in the male-to-female ratio? HowStuffWorks looks at the role climate change plays. Advertisement Australia's 1,200-mile (2,000 kilometer) Gr...How Big Can Green Sea Turtles Get? Green sea turtles are the largest species of sea turtles, adults varying in size, weighing between 300 lbs and 450 lbs and 3-4 feet in length. The largest green sea turtle ever recorded weighed 871 lbs! ... Do sea turtles bite humans? A sea turtle is not an aggressive animal at all. Normally, they are docile ...Description. The loggerhead sea turtle is the largest hard-shelled turtle in the world. The average adult is about 90 cm (35 in) long and weighs around 135 kg (298 lb). However, large specimens may reach 280 cm (110 in) and 450 kg (1000 lb). Hatchlings are brown or black, while adults have yellow or brown skin and reddish brown shells.Leatherback sea turtles can weigh between 550 to 2,000 pounds and grow to be six feet long! Unlike other turtles, the leatherback doesn't have a hard shell or ...Dec 26, 2023 · The size of a sea turtle can range from 2 feet (61 cm) to over 7 feet (213 cm) in length, depending on the species. The Leatherback sea turtle holds the record as the largest, typically measuring between 4 to 6 feet (122 cm to 183 cm) and weighing between 600 to 1500 lbs (272 to 680 kilograms). How do turtles achieve such great lengths and ... How Many Eggs Do Turtles Lay . Turtles are reptiles of the order Testudines. They lay eggs on land in nests dug in sand or soil. The number of eggs a turtle lays depends on the species, but can range from one to over 100. Some turtles, like the leatherback sea turtle, even lay their eggs in the water.Oct 8, 2023 · Green sea turtles can get up to 400 pounds and 45 inches. The Black sea turtles are not as large at about 278 pounds. The leather black sea turtles can grow over 1,000 pounds and 6 foot. In addition to being the largest living turtle, the leatherback sea turtle, or leatherback, is one of the largest living reptiles, with adults growing up to 2.4 metres …Aug 7, 2019 ... This medium-sized turtle can reach up to three feet long and weigh 300 pounds. On average, though, they weigh less than 200 pounds and only ...They grow on average to a length of three feet and a weight of up to 350 pounds. The carapace or top shell is slightly heart-shaped and ruddy brown in color, ...Size. The green turtle grows up to four feet long and weighs up to 400 pounds. turtle-diver.png · Range. Green turtles are found throughout the global ocean, in ... Conclusion. In conclusion, snapping turtles can grow to be quite large, with adult sizes ranging from 8 to 14 inches in length and weighing between 10 and 35 pounds on average. Some individuals have been known to reach up to 20 inches in length and weigh over 50 pounds. Their growth rate is relatively slow, and it can take them many years to ... Size: 36 inches. Weight: 253 pounds. These beautifully colored sea turtles got their name because their oversized head sort of looks like a big log. Within their heads are powerful jaws, which loggerheads use for crushing prey like conchs, horseshoe crabs, and other animals with hard shells. They also eat softer foods like jellyfish, fish ...The ocean’s depths are one of the most mysterious areas on the planet – and the inhabitants of this murky domain are stranger than anything you’ll find on land. The ocean’s depths ...Sea turtles have lived with the dinosaurs and, as ... sea turtles do not nest in the Maritime provinces. ... Very large head with heavy strong jaws. Carapace is ...History. As of February 2024, two different species of giant tortoise are found on two remote groups of tropical islands: Aldabra Atoll and Fregate Island in the Seychelles and the Galápagos Islands in Ecuador.These tortoises can weigh as much as 417 kg (919 lb) and can grow to be 1.3 m (4 ft 3 in) long. Giant tortoises originally made their way to islands …Yes, sea turtles can get high. Research has shown that turtles have cannabinoid receptors 1 and 2. Yes, sea turtles can get high. ... Though jellyfish make up a large portion of a sea turtle’s diet, they do not have any chemical compounds in their body to make turtles high. So, the internet buzz surrounding this topic is entirely false. ...Feb 13, 2024 · How Big Do Sea Turtles Get? Sea turtles can come in a range of sizes depending on the species. The leatherback sea turtle is the largest, growing up to 2,000 pounds and measuring around 5-6.5 feet in length. Sep 27, 2022 · Although some softshell turtles are larger than some ridley sea turtles. In all, sea turtles are pretty big. The biggest turtle is a sea turtle and the largest non-crocodilian reptile is also a sea turtle. The leatherback is the largest sea turtle weighing about 550 to 1,540 lbs This is followed by the loggerhead which weighs 169.6 to 440 lbs. One of the largest sea turtles in the world, Green Sea Turtles are the only herbivores amongst their peers. They have a smooth shell that is brown or olive. The average weight of a green sea turtle is anywhere between 600 to 700 pounds, and its size can measure up to five feet. As mentioned, Green Turtles are herbivores, unlike most other sea ...Aug 12, 2022 · Other sea turtles grow from two-inch hatchlings to adult sizes three feet long and between 300 and 350 pounds. The diamondback terrapin turtle prefers salt water but is not fully marine and is not a true sea turtle. However, it is another common snapping turtle. It is on the smaller side. These large size turtles can easily squash jellyfish with their formidable jaws. Kemp’s ridley turtles are carnivores all their life. Their favorite foods are fish, crabs, shrimp, mollusks, and jellyfish. ... sea turtles do not get high after eating jellyfish. This is just a rumor that spread thanks to a certain Disney movie. Many researchers ...Sea turtles are a fundamental link in marine ecosystems. They help maintain the health of seagrass beds and coral reefs that benefit commercially valuable species such as shrimp, lobster, and tuna. Sea turtles are the live representatives of a group of reptiles that have existed on Earth and traveled our seas for the last 100 million years.How big do sea turtles get? The olive and Kemp’s ridley sea turtles are the smallest species, growing only to about 70 cm (just over 2 feet) in shell length and weighing up to 45 kg (100 lbs). Leatherbacks are the largest sea turtles. On average leatherbacks measure 1.5 – 2m (4-6 ft) long and weigh 300 – 500 kg (660 to 1,100 lbs). The green sea turtle ( Chelonia mydas ), also known as the green turtle, black (sea) turtle or Pacific green turtle, [4] is a species of large sea turtle of the family Cheloniidae. It is the only species in the genus Chelonia. [5] Its range extends throughout tropical and subtropical seas around the world, with two distinct populations in the ... Sea turtles profile. Sea turtles can weigh up to 2000 pounds and are believed to reach up to 100 years of age. They are elegant and tenacious swimmers. On land, however, they are very ponderous and every move takes a lot of energy. Only the females have to come ashore on a sandy beach from time to time to build a nest and lay their eggs.Loggerhead turtle. Named for their relatively large head, adult loggerhead turtles can weigh 250 pounds and be three feet in length. Photo from ...The green sea turtle ( Chelonia mydas ), also known as the green turtle, black (sea) turtle or Pacific green turtle, [4] is a species of large sea turtle of the family Cheloniidae. It is the only species in the genus Chelonia. [5] Its range extends throughout tropical and subtropical seas around the world, with two distinct populations in the ...Other sea turtles grow from two-inch hatchlings to adult sizes three feet long and between 300 and 350 pounds. The diamondback terrapin turtle prefers salt water but is not fully marine and is not a true sea turtle. However, it is another common snapping turtle. It is on the smaller side.Feb 13, 2024 · How Big Do Sea Turtles Get? Sea turtles can come in a range of sizes depending on the species. The leatherback sea turtle is the largest, growing up to 2,000 pounds and measuring around 5-6.5 feet in length. Green sea turtles ( Chelonia mydas) worldwide are afflicted by tumors that can impede their movement, block their sight, and prevent them from feeding. The tumors are caused by a disease called fibropapillomatosis, which is now known to be viral and contagious, especially among juvenile sea turtles. Alarmingly, in some areas 50-70% of …With a 100% success rate, all the turtles have to do is to find their prey. And that’s easy – the lion’s mane is found in large swarms in the summery Canadian waters, so a diving turtle runs ...Learn how big sea turtles can get and see a chart of different species and their sizes. The largest living sea turtle is the leatherback, which can reach up to 13 feet in length.Many people do not realize how big aquatic turtles can get. Red-eared sliders , yellow-bellied sliders , and a couple of other commonly available pet turtle species will grow to 10–12 inches long and therefore require correspondingly large enclosures.Weight. 600-1500 pounds. Length. 55-63 inches. Habitats. Oceans. Leatherback turtles are named for their shell, which is leather-like rather than hard, like other turtles. They are the largest sea turtle species and also one of the most migratory, crossing both the Atlantic and Pacific Oceans. Pacific leatherbacks migrate from nesting beaches ...75-110 pounds. Length. 24-28 inches. Habitats. Oceans. The name for this sea turtle is tied to the color of its shell—an olive green hue. They are currently the most abundant of all sea turtles. Their vulnerable status comes from the fact that they nest in a very small number of places, and therefore any disturbance to even one nest beach ...This is a really big turtle! Second, leatherback turtles do not have a true shell. Instead, their carapace is covered by a leathery skin. There are ...Green sea turtles can get up to 400 pounds and 45 inches. The Black sea turtles are not as large at about 278 pounds. The leather black sea turtles can grow over 1,000 pounds and 6 foot.The ocean’s depths are one of the most mysterious areas on the planet – and the inhabitants of this murky domain are stranger than anything you’ll find on land. The ocean’s depths ...These large turtles grow to an average length of about 90 cm and weigh around 280 pounds. Tortuguero is one of the most important nesting sites for the ...Olive ridley turtles are also one of the smallest sea turtle species at only 2 to 2.5 feet (0.6 to 0.7 m) long and 80 to 110 pounds (36 to 50 kg). They are named for the olive coloration of their heart-shaped shells. Olive ridley turtles live globally in the coastal waters of at least 80 countries.Usually, they cruise at around 0.9 to 5.8 mph (1.4 to 9.3 km/h), but have been found to swim up to 22 mph (35 km/hr) when frightened. To help them efficiently power their bodies …Feb 14, 2024 · Leatherback turtles are the largest species, weighing up to 2,000 pounds. Turtles can vary greatly in size depending on their species. Some turtles can weigh less than a penny at birth, while others can grow to weigh several hundred pounds. Different species of turtles have different size expectations. People often think that all sea turtles eat only one thing – jellyfish. However, their diets are much more diverse and depend on the species of sea turtle. This diversity is one way sea turtles play an …Unfortunately, there has not yet been a test to show how far a turtle can see on land or in water. What we do know, however, is that a turtle can easily see its immediate surrounding area when housed in captivity as a pet; the broader spectrum of colors that they can see also suggests that they potentially have better eyesight than humans ...Green sea turtles are one of the world's largest species of turtle, weighing around 65-130kg and measuring between 1-1.2m long. They have a strong, tear-drop ...Size: Smallest sea turtle, often reaching the weight of a large dog, about 100 pounds. Adult shell is about 2 feet long. Body & Color: Carapace is heart-shaped.Sea News: This is the News-site for the company Sea on Markets Insider Indices Commodities Currencies StocksDiscover how green sea turtles obtain their energy and the secrets behind their unique feeding habits in this fascinating article. Learn about their foraging techniques, diet, and the importance of seagrass beds in their survival. Unlock the mystery of how these beautiful creatures harness the energy they need to thrive in the ocean. Turtles can mistake plastic bags for food or get tangled up in kite strings, six-pack rings, and fishing lines. Never release balloons outdoors. Balloons that find their way to the ocean are choking hazards for many types of marine life, including sea turtles. In honor of World Sea Turtle Day (June 16), the following are a few fascinating facts. The ocean’s depths are one of the most mysterious areas on the planet – and the inhabitants of this murky domain are stranger than anything you’ll find on land. The ocean’s depths ...Olive ridley turtles are also one of the smallest sea turtle species at only 2 to 2.5 feet (0.6 to 0.7 m) long and 80 to 110 pounds (36 to 50 kg). They are named for the olive coloration of their heart-shaped shells. Olive ridley turtles live globally in the coastal waters of at least 80 countries.With a 100% success rate, all the turtles have to do is to find their prey. And that’s easy – the lion’s mane is found in large swarms in the summery Canadian waters, so a diving turtle runs ...THE FACTS: A frequently repeated online rumor that sea turtles are living the high seas life has surfaced again on social media. A screenshot of a Google search asks: “do jellyfish make Turtles High.” The search is followed by a result that talks about a sea turtle character in the 2003 animated film “Finding Nemo.”

Sea turtles depend upon many types of habitats for nesting, feeding and migratation. Threats. Sadly, only an estimated one in 1,000 to 10,000 will survive to adulthood. Loggerhead ( Caretta caretta) Shell Length: 2 1/2 to 3 1/2 feet. Weight: 155 to 375 lbs. Diet: Whelks and Conch.. 8 seat car

how big do sea turtles get

The diet of hatchlings varies from that of adults. Hatchlings eat a variety of prey items including things like pelagic molluscs & crustaceans (like larval crabs), hydrozoans (related to jellies and corals such as Portuguese Man-O-War), fish eggs, seaweed, and jellies. Green hatchlings, unlike the herbivore adult, also eat a variety of prey as ...One of the largest sea turtles in the world, Green Sea Turtles are the only herbivores amongst their peers. They have a smooth shell that is brown or olive. The average weight of a green sea turtle is anywhere between 600 to 700 pounds, and its size can measure up to five feet. As mentioned, Green Turtles are herbivores, unlike most other sea ...Many barnacles can be found on sea turtles, which can affect their mobility and overall health. Excessive barnacles on sea turtles can also increase flow drag, making it harder for them to swim and find food. Barnacle Growth. Barnacle larvae settle on sea turtles and grow into adults over time.Nov 8, 2021 · Facts About Sea Turtles. Sea turtles have been around for a really long time – since before the extinction of the dinosaurs 65 million years ago! Sea turtles, also known as marine turtles, can be found in the waters of all the planet’s oceans, except in the Arctic. There were once many species, but now we have only seven left: green ... Sea turtles profile. Sea turtles can weigh up to 2000 pounds and are believed to reach up to 100 years of age. They are elegant and tenacious swimmers. On land, however, they are very ponderous and every move takes a lot of energy. Only the females have to come ashore on a sandy beach from time to time to build a nest and lay their eggs.Miniature protected turtles, masquerading as candies in bright wrappers, were illegally shipped between the US and Hong Kong. The conspirators were caught. People ship all kinds of...Leatherback sea turtles ( Dermochelys coriacea) are the largest turtles in the world. An adult's length, measured along the curve of its shell, is typically between 140 and 160 cm. ( "Leatherback sea turtle/ Tinglar, USVI" by USFWS/Southeast is licensed under CC BY 2.0 .) The leatherback gets its name from its leathery shell.It grows from a two-inch hatchling weighing one-half pound to an adult size of 3 feet long and 300-350 lbs. It takes 20-30 years for a sea turtle to reach sexual maturity. When a …Sea Turtles 101. Sea turtles have existed since the time of the dinosaurs. Find out about the ancient mariners' oldest known ancestor, how certain adaptations may have helped the reptiles survive, and the conservation efforts being made to …Jul 27, 2008 · The heaviest legitimate weight records are between 200 and 250 pounds, and possibly one of 316 pounds. In South America, an Amazon River turtle known as the arrau, may get even longer than alligator snappers. Big females have an average shell length of more than two feet and a maximum of almost three. Average body weight of these river giants ... Weighing in at between 550 and 2,000 pounds with lengths of up to six feet, the leatherback is a big turtle! Leatherback sea turtles can be distinguished from other species of sea …Jul 27, 2008 · The heaviest legitimate weight records are between 200 and 250 pounds, and possibly one of 316 pounds. In South America, an Amazon River turtle known as the arrau, may get even longer than alligator snappers. Big females have an average shell length of more than two feet and a maximum of almost three. Average body weight of these river giants ... But the history of sea turtles goes back much further. The turtles themselves split off from their reptilian ancestors at least 260 million years ago (Permian). This is evidenced by the fossil find of Eunotosaurus in South Africa, an animal that still had more of a lizard-like appearance but already showed a tendency to broaden its ribs and ....

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