Image: refer to hsw
About This Quiz
See if you can answer these true or false questions about the crocodilian species with ease. The more you know may help you determine the ultimate river champion in the Rumble in the River. At the end of this quiz, go on to test your hippo knowledge, too.
Crocodiles can digest all the bones and shells they eat.
True
Crocodiles' stomachs are so acidic they can digest all the seemingly indigestible parts of their victims.
False
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A crocodile has a wide, flat snout.
True
False
A crocodile has a narrow, V-shaped snout, as opposed to an alligator's flatter, wider snout. Also, a crocodile's lower teeth are visible when its mouth is shut.
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Crocodiles existed before dinosaurs.
True
Crocodiles have seen the dinosaurs come and go. They've been around for nearly a quarter billion years. The largest crocodile ever known was a prehistoric monster called Deinosuchus, or "terror croc." It was 40 feet long.
False
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Male crocodiles usually grow faster than females.
True
Males grow faster than females, and are larger at maturity.
False
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A crocodile's stomach is not much bigger than a human hand.
True
False
A crocodile's stomach is not much bigger than a human head.
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Crocodiles chase their prey into submission.
True
False
Crocodiles do not chase their prey — they prefer to surprise them.
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The crocodile's closest relative is the bird.
True
The crocodile is one of the most advanced reptiles, and its closest living relatives outside the crocodilian family are birds.
False
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Crocodiles cry real "crocodile tears."
True
False
Crocodiles cannot actually cry "crocodile tears."
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It's easy to hold a crocodile's jaws shut.
True
Although they have powerful jaws, it is easy to hold a crocodile's mouth shut — the muscles that open them are much weaker than those used for snapping them shut.
False
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Several crocodile species are in danger of becoming extinct in the wild.
True
The Chinese alligator may be the most endangered of its species. At last count in 1999, there were fewer than 150 found in its natural habitat in eastern China.
False
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