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Turtles

Turtles are a group of reptiles that includes hidden-necked turtles and side-necked turtles. There are 293 species of turtles alive today. The articles listed below provide information about the characteristics, classification and evolution of turtles.

Turtles
Turtles are best known for the hard shell, also called a carapace, which is a modification of their ribcage and vertebral column. This profile explores basic facts about turtles including how they are classified, what they eat, where they live and the characteristics that make them different from other reptile groups.

Turtle Pictures
Pictures of turtles, including turtle photos such as Russian tortoises, hidden-necked turtles, loggerhead sea turtles, side-necked turtles, Galapagos giant tortoises and more.

What Do Turtles Eat?
Turtle eating habits are varied—what they eat depends on the available food sources, the habitat in which the turtle lives and the turtle's behavior.

Hidden-Necked Turtles
Hidden-necked turtles are distinguished from side-necked turtles by the way they fold their neck into their shell. This profile explores basic facts about hidden necked turtles including how they are classified, what they eat, where they live and the characteristics that make them different from other turtle groups.

Side-Necked Turtles
Side-necked turtles are one of the two modern groups of turtles and include about 76 species. This profile explores basic facts about side-necked turtles including how they are classified, what they eat, where they live and the characteristics that make them different from other turtle groups.

Galapagos Tortoise
The Galapagos tortoise is the largest of all living tortoises, reaching lengths of up to 4 feet and weights of over 350 lbs. Galapagos tortoises have long lifespans often living for over 100 years. These reptiles are vulnerable and suffer from the threats of introduced species.

Green Sea Turtle
The green sea turtle is among the largest marine turtles and is also the most widespread. This profile explores basic facts about green sea turtle including how they are classified, what they eat, where they live and the characteristics that make them different from other turtles.

Hawksbill Sea Turtle
The hawksbill sea turtle has a beautiful shell that is marbled with yellow, amber, and brown markings. This profile explores basic facts about hawksbill sea turtle including how they are classified, what they eat, where they live and the characteristics that make them different from other turtles.

Leatherback Sea Turtle
The leatherback sea turtle is unique among sea turtles because, unlike other sea turtles who have a carapace of hard bony plates, the leatherback's carapace is flexible and rubbery in texture. This profile explores basic facts about leatherback sea turtles including how they are classified, what they eat, where they live and the characteristics that make them different from other sea turtles.

What Turtles Eat
Since turtles are too slow to catch most prey by all-out pursuit—especially on land—questions about what turtles eat are quite common. The answer is that turtles eat a wide variety of vegetation and small animals and their particular diets depend on both their habitat and their behavior.

Loggerhead Sea Turtle
The loggerhead sea turtle is a marine turtle that grows to lengths of 28 to 39 inches. Caretta caretta is the world's largest hard-shelled turtle. Loggerhead sea turtles have large heads (when compared to other species of marine turtles) and strong, muscular jaws (which help them crush prey such as crabs and lobsters).

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