Turtles and Tortoises
KNOWN SPECIES
363
0.02% of our world's living things are turtles and tortoises
CHARACTERISTICS
- animals with a backbone (vertebrates)
- two broad bony shells enclose and protect the body
- jaws without teeth form a beak-like structure
SIZE RANGE
3 inches to 6.5 feet (8 centimeters to 2 meters)
WHERE THEY LIVE
in oceans, in fresh water, and on land
Here are just SOME of the world’s turtles and tortoises:

diamondback terrapin
SCIENTIFIC NAME:
Malaclemys terrapin

map turtle
SCIENTIFIC NAME:
Graptemys geographica

radiated tortoise
SCIENTIFIC NAME:
Astrochelys radiata

Aldabra tortoise
SCIENTIFIC NAME:
Aldabrachelys gigantea

leatherback sea turtle
SCIENTIFIC NAME:
Dermochelys coriacea

Guess what?
Some of the giant tortoises, like those found in the Galápagos Islands, can live for more than 120 years.
Image Credits:
Aldabra tortoise, map turtle, John White/© California Academy of Sciences; diamondback terrapin, © Todd Pierson/CC BY-NC; leatherback sea turtle, Courtesy Claudia Lombard, USFWS; radiated tortoise, © Charles J. Sharp/CC BY-SA 4.0.