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Another adaptation that leatherbacks and a few other sea turtles have is called esophageal papillae. Leatherback showing esophageal papillae. Now, leatherbacks travel vast distances and require a lot of energy to make these migrations possible — but jellyfish are primarily water, a little protein, some vitamins and minerals, and some fat. Well, they actually have an extremely long esophagus that leads from the mouth to the rear of the body, and then it loops up the side again until it reaches the stomach, which is about a quarter of the way from the front of the turtle.

This long esophagus acts as a holding pouch so that the leatherback can continually digest its food — as parts of its meal leaves the stomach digested, new jellyfish are being pushed into the stomach. The ends of leatherback bones contain cartilage laden with blood vessels. This is unique among sea turtles, and is thought to facilitate their rapid growth by allowing access to necessary nutrients. Loggerhead sea turtle. The loggerhead is the most abundant sea turtle in the United States. They are, of course, named the loggerhead because of their wide skull.

Hatchling and juvenile loggerheads are pelagic — or live in the open ocean far from any coast. They like to hang out in convergence zones where they can get access to a variety of food sources. Once they reach juvenile stage, loggerheads are take on a reddish-brown shell which is characteristic of the species and will stay with them throughout their lives.

Children’s Books About Sea Turtles

Loggerheads prefer to eat mollusks and crustaceans, in order to do this their rhamphotheca beak is extremely thick, and they have broad, heavy muscles in their jaws for crushing. Loggerhead feeding on a hermit crab.

As you may have guessed, loggerheads are completely carnivorous. They are opportunistic feeders. They eat mostly invertebrates and insects, but their diet can also include jellyfish, medusae, salps, barnacles, snails, aquirts, anemones, sea cucumbers, marine worms and fish. Loggerheads reach sexual maturity at years of age.

Amazing Animals

Females lay an average of eggs per clutch, with usually nests per year, although they can lay up to 7. Their eggs will incubate in the nest for days, depending on how warm the sand is. Like most sea turtles, females use an alternate gait on land, meaning they move the front left flipper at the same time as the back right, and vice versa.

They are documented to have high nest fidelity. Loggerhead leaving the sea to nest.

10 CRAZY Facts About Sea Turtles

They are the most commonly recognized species because of their beauty. They are called green turtles because their fat is green. Green sea turtles are the only species in which the adults are completely herbivorous vegetarian and eat primarily sea grass.

Green juveniles are carnivorous like other species, though, and their digestive system actually changes as they mature to allow for this dietary shift.

Sea Turtles: Amazing Pictures & Fun Facts on Animals in Nature

Because of all the vegetation they eat, their FAT is actually green — which is how they got their name. They can be distinguished from other similar looking species by looking at the scales on their head. Between the eyes, they have a pair of scales where other turtles only have one or several. Their scales are well defined and dark.

They are also the only species with jagged edges on their lower beak, these act as pruning shears to take bites of grass. The role they play is similar to that of the buffalo on the open prairies in the early days of American colonization. They modify the prairies by eating so much of the excess plant material, stimulating growth in the ecosystem.

They will also return to the sites that they previously grazed in order to eat the new sprouts that are full of nutrients. The reduction of green sea turtles can have serious repercussions for the marine grasslands they modify. The marine grasslands are very important to the ocean as a whole because they act as nurseries for many species, and it is one of the most productive ecosystems in the world.

Green sea turtle feeding on sea grass. Green turtles become sexually mature at between 12 and 50 years depending on where they feed and what they were able to eat.

Nonfiction Books :: Sea Turtles (15) / Amazing Animals

Their nesting season is between June and September, and they are noted to have high nest fidelity. In other words, they commonly return to the same beach to nest each season that they reproduce. Green turtle nesting. See All Customer Reviews. Shop Books. Add to Wishlist. USD Sign in to Purchase Instantly. The book uses captivating illustrations, and carefully chosen words to teach children about the 'old men of the sea'. Product Details. Average Review. Write a Review. Related Searches.


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