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Crocodylidae: collectible animal cards

Own every animal of the family Crocodylidae.

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True crocodiles live in the warm regions of the world. They range from Africa to Australia and into the Americas. With the mouth closed, the fourth lower tooth stays visible. Salt glands on the tongue let several species live in salt water. They are ambush hunters.

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Crocodylidae New Guinea crocodile

New Guinea crocodile

Crocodylidae

Crocodylus novaeguineae · Least concern

Since 2019, a mountain ridge divides two species: the New Guinea crocodile lives north of the range running along the island, while the population south of it was declared a separate species, Hall's New Guinea crocodile. The female guards her nest of vegetation. Over-hunted for its valuable skin in the mid 20th century, it is now reared in ranches.

Photo: Wilfried Berns www.Tierdoku.com (CC BY-SA 2.0 de)

Crocodylidae Saltwater crocodile

Saltwater crocodile

Crocodylidae

Crocodylus porosus · Least concern

It hatches at about 28 cm and 71 g, yet the saltwater crocodile grows into the largest living reptile: males reach 1,000 to 1,500 kg and 6 m. Beyond that, weight soars, so that a 6 m crocodile weighs more than twice as much as a 5 m one.

Photo: Obtained from Molly Ebersold of the St. Augustine Alligator Farm (Public domain)

Crocodylidae Freshwater crocodile

Freshwater crocodile

Crocodylidae

Crocodylus johnsoni · Least concern

When Gerard Krefft named the freshwater crocodile in 1873, he meant to honour the man who first sent him specimens, but he misspelled the name, and the error stuck for many years. Unlike the saltwater crocodile, it is no man-eater and bites only in self-defence.

Photo: Mark Marathon (CC BY-SA 4.0)

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