animal bytes home reptiles birds insects ... amphibians Quick facts Video Byte: Turtle and Tortoise Photo Bytes Class: Reptilia (reptile) Order: Chelonia Family: 13 families, including Cheloniidae (sea turtles), Emydidae (pond and river turtles), and Testudinidae (tortoises) Genus: 75 genera Species: about 250 species Size: Dermochelys coriacea, Clemmys muhlenbergii, shell length 3 to 4.5 inches (7.6 to 11.4 centimeters) Weight: Homopus signatus at up to 5 ounces (142 grams) Life span: up to 150 years or more for some land tortoises; aquatic species usually less, about 70 years Number of eggs laid: from only a few to 100 or more, depending on species Incubation: from about 2 months to 1 year, depending on species Size at hatching: from 1 to 3 inches (25 to 76 millimeters) Age of maturity: from 5 to 25 years, depending on species Conservation status: 49 species of turtles and tortoises are either endangered or vulnerable Geochelone nigra | |
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