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an elephant seal with a tracker
Article

Citizens of the High Seas

In a world where land is partitioned into countries with defined borders, the ocean...
August 2019
an ancient sea turtle swims with a mosasaur and ancient cephalopods
Photo

Ancient Turtle

The first fully marine turtles emerged during the Cretaceous Period, a span of time...
a sea turtle comes up for a breath of air
Photo

Up for a Breath

Sea turtles, including this Kemp's ridley, must come to the surface to breathe air....
a sea turtle digs a nest near houses
Photo

Nesting in the Neighborhood

Sea turtles often nest near development where human activity can disrupt the baby...
a sea turtle swims toward the surface
Photo

Sea Turtle Goes Up for Air

Sea turtles spend the majority of their life at sea. Even though they spend most of...
a turtle lays eggs
Photo

Female Lays Eggs

A loggerhead sea turtle lays eggs in the nest she has just dug. ...
an olive ridley turtle comes ashore
Photo

Olive Ridley

Olive Ridleys nest in mass migrations onto the beach called arribadas. ...
a hawksbill sea turtle swimming
Photo

Hawksbill Sea Turtle

One of the smaller sea turtles, the hawksbill sea turtle is named for its hooked,...
a loggerhead Sea Turtle
Photo

Loggerhead Sea Turtle

The Loggerhead Sea Turtle (Caretta caretta) is one of seven sea turtle...
a diagram of heat flow in a turtle's flipper
Photo

Counter-current Heat Exchange

Reptiles are ectothermic, meaning they rely on the environment to regulate their...
A sea turtle swimming
Photo

Sea Turtle Swimming

Often considered the most majestic of the turtle family, the sea turtle is a large,...
a comparison of sea turtle sizes
Photo

What is the Largest Sea Turtle? A Sea Turtle Size Comparison Chart

Sea turtles come in many different sizes. The smallest are about the size...

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