Download e-book for kindle: Animal Life: Secrets of the Animal World Revealed by DK Publishing

By DK Publishing

ISBN-10: 0756688868

ISBN-13: 9780756688868

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They all lack teeth and instead use a sharp horny “beak” to break up their food, which may consist of animal or vegetable material, or both, depending on the species. Turtles occur on the land (where they are often known as tortoises), in freshwater, and in the sea. They all lay nearly spherical eggs, with some marine species laying up to 100 in a clutch. Alligator snapping turtle Macroclemys temminckii 151⁄2 –31 in (40–80 cm) Big-headed turtle Platysternon megacephalum 51⁄2 –8 in (14–20 cm) Green sea turtle Chelonia mydas 31 in–3 ft 3 in (80–100 cm) Starred tortoise Geochelone elegans 12–15 in (30–38 cm) Red-eared turtle Trachemys scripta elegans 8–11 in (20–28 cm) Hermann’s tortoise Testudo hermanni 6–8 in (15–20 cm) Yellow mud turtle Kinosternon flavescens 41⁄ 2 –61⁄2 in (12–16 cm) Leopard tortoise Geochelone pardalis 17 1⁄2 –28 in (45–72 cm) Chinese soft-shelled turtle Pelodiscus sinensis 6–12 in (15–30 cm) Tuatara Order Rhynchocephalia Both surviving members of the order Rhynchocephalia live on islands off the coast of New Zealand.

51 REPTILES LIZARDS AND SNAKES WORM LIZARDS AND RELATIVES Squamata Scaly reptiles of many forms, also known as squamates. Males have paired copulatory organs called hemipenes. GECKOS AND RELATIVES Amphisbaenia Species 166 Gekkota Species 1,073 SCLEROGLOSSANS Scleroglossa Squamates that use their jaws rather than their tongue to catch food, and their tongue for smelling. This group includes all squamates except iguanians. SKINKS AND RELATIVES Scincomorpha Species 2,000 AUTARCHOGLOSSANS Autarchoglossa Squamates with highly developed olfactory capabilities involving the tongue and a sensitive scent organ (Jacobson’s organ) in the roof of the mouth.

TURACOS Musophagiformes Species 23 PENGUINS Gaviiformes Species 5 WADERS AND RELATIVES Sphenisciformes Species 17 ALBATROSSES, PETRELS, AND SHEARWATERS Procellariiformes Species 107 HOATZIN Opisthocomiformes Species 1 OWLS Strigiformes Species 194 PERCHING BIRDS SUBOSCINES Passeriformes Birds with four unwebbed toes joined at the heel, three pointing forward and one backward. Also known as passerines, they vary hugely in form. Tyranni A group of South American passerines, divided from songbirds by physical features including the detailed structure of the vocal organ (syrinx).

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Animal Life: Secrets of the Animal World Revealed by DK Publishing

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