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7 fact-checked facts about alligators, each with the reason behind it. 5 more are in today's round and join this page after it closes.

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The basics

'Gator' is a short name for which animal?

AnswerAlligator

Gator is a common informal short form of alligator.

How does an alligator's snout usually differ from a crocodile's?

AnswerIt is wider and U-shaped

Alligators have broad, rounded U-shaped snouts, while most crocodiles have pointed V-shaped snouts.

Going deeper

The word 'alligator' comes from the Spanish 'el lagarto', meaning what?

AnswerThe lizard

Spanish explorers called the animal el lagarto, the lizard, which became alligator in English.

What mainly determines whether an alligator egg hatches male or female?

AnswerThe temperature of the nest

Alligators have temperature-dependent sex determination: nest temperature sets the hatchling's sex.

What is the clear third eyelid that protects an alligator's eyes underwater called?

AnswerNictitating membrane

The nictitating membrane slides across the eye like built-in goggles.

Expert level

What are the closest living relatives of alligators and crocodiles?

AnswerBirds

Crocodilians and birds are the two surviving groups of archosaurs, the lineage that included dinosaurs.

Where in the United States do American alligators and American crocodiles live side by side in the wild?

AnswerSouth Florida

South Florida, including the Everglades, is the only place where both species naturally coexist.

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