At first glance green sea turtles are not very green at all
This is because their name comes from the color of their green fat tissue that used to be commonly used to make turtle soup
Adult green sea turtles are the only species of sea turtle that eat large amounts of sea grasses and algae
Green sea turtles can live 50 or more years, grow shells up to 5 feet long (1.5 m) and weigh up to 700 pounds (318 kg)
They are currently listed as an endangered species. These turtles inhabit tropical and subtropical waters around the world
They become sexually mature at 25 to 35 years of age
Mating occurs every two to four years in shallow waters close to shore
Females will choose an area on the beach at night to lay their eggs
They dig a pit in the sand with their flippers and lay around a hundred soft shelled eggs
before covering the pit and returning to sea. Eggs will incubate for 60 days before hatching.
A female may lay three to six clutches of eggs per season
Crabs and birds like to prey on the newly born hatchlings as they emerge out of the sand and head for the ocean
The sex of a green sea turtle is determined by the temperature of their egg nest
Females result from warmer temperatures and males result from cooler temperatures. In some parts of the world,
green sea turtles are still killed for their meat. Other threats include being accidentally caught in large fishing nets,
getting entangled in marine debris, and the destruction of their nesting grounds by humans
Humans have been known to collect their eggs from nesting beaches
In addition, they are threatened by a tumor causing disease called fibro papillomatosis
While resting, green sea turtles can remain underwater for two or more hours before having to come up for air
Active turtles have to come to the surface to breathe every few minutes
Adults are occasionally preyed on by sharks
Sea turtles cannot retract their heads into their shells and
Hawaiian green sea turtles like to warm themselves up by laying out on shore to bask in the sun
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