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Crocodiles have vertical-slit shaped pupils, similar to those of domestic cats. One explanation for the evolution of slit pupils is that they exclude light more effectively than a circular pupil, helping to protect the eyes during daylight. [ 48 ] 展开
Crocodylidae was named as a family by Georges Cuvier in 1807. It belongs to the larger superfamily Crocodyloidea, which also includes additional extinct crocodile relatives. These all belong … 展开
A crocodile's physical traits allow it to be a successful predator. Its external morphology is a sign of its aquatic and predatory lifestyle. … 展开
Danger to humans
The larger species of crocodiles are very dangerous to humans, mainly because of their ability to strike before … 展开The word crocodile comes from Ancient Greek κροκόδιλος (krokódilos) 'lizard', used in the phrase ho krokódilos tou potamoú, 'the lizard of the ( 展开
Crocodilians are more closely related to birds and dinosaurs than to most animals classified as reptiles, the three families being included in the group 展开
CC-BY-SA 许可证中的维基百科文本 Crocodile | Habitat, Species, Diet, & Facts | Britannica
- crocodile, (order Crocodylia, or Crocodilia), any of 23 species of generally large, ponderous, am…
Crocodiles are a living link with the dinosaur-like reptiles of prehistoric times and are the nearest living relatives of the birds. A large variety of crocodilian fossils have been discovered that date back 200 million years to the Late Triassic Epoch. Fossil evidence also suggests that three maj…
- crocodile, (order Crocodylia, or Crocodilia), any of 23 species of generally large, ponderous, am…
American Crocodile: Species Profile - U.S. National Park …
网页2023年9月7日 — The American crocodile is lizard-shaped with a long, muscular tail and four short legs that have five toes on the front feet and four on the back feet. Adults have grayish-green backs and tails and white to …
Crocodile - Adaptations, Habitat, Diet | Britannica
网页2024年9月5日 — Like many nocturnal animals, crocodiles have eyes with vertical, slit-shaped pupils; these narrow in bright light and widen in darkness, thus controlling the …
Alligator vs. Crocodile: What's the Difference? - HowStuffWorks
网页2023年8月30日 — A crocodile has a long, v-shaped snout, while alligators have wider, u-shaped snouts. One of the key contrasts between alligators and crocodiles is their …
What’s the Difference Between Alligators and Crocodiles?
网页The first is the shape of the snout. In alligators it’s broad and U-shaped, while in crocodiles it’s narrow and V-shaped. Next are the teeth. In the case of alligators, the lower teeth are typically not visible when the mouth …
Crocodile: Characteristics, Diet, Facts & More [Fact Sheet]
网页Crocodiles tend to have a more pointed, V-shaped snout, while alligators have a wider, U-shaped snout. Additionally, when a crocodile’s mouth is closed, its fourth tooth on the …
World of Crocodiles: Species, Anatomy & Behaviors
网页2024年3月19日 — As apex hunters, crocodiles need to have strong teeth but it isn’t just about their power, the shape of the teeth is just as important. This shape will differ depending on the species but in most cases, the front …
Crocodile | Facts + Habitat + Appearance - More
网页Crocodiles, in their overall look, are similar in shape with common household lizards. They have a long face and a larger mouth that also shows their teeth even in a closed position. The irregular parts in their …
Crocodiles: Facts and photos of some of the toothiest …
网页2022年7月15日 — Crocodiles are large reptiles found in tropical regions of Africa, Asia, the Americas and Australia. They are members of the order Crocodilia, which also includes caimans, gharials and alligators...
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