Dr. Britton describes how crocs have changed in appearance from prehistoric times to today.
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Crocodile Society
Crocodile size matters in crocodile society, according to Dr. Britton. The largest, strongest male crocs dominate. Some croc species must be competitive to find the best nesting areas.
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Female crocs tend not to be as aggressive as males, but if they need to protect their nest or compete with another croc for a place to nest, things could turn ugly.
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Crocodile Species
Dr. Britton says that the Nile crocodiles featured in Ferocious Crocs are among the largest and most social of the crocodile species.
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While most crocs look very similar, their behavior varies greatly. Dr. Britton explains.
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Croc Eating Habits
Crocs are pretty efficient eaters, according to Dr. Britton. They've got concentrated hydrochloric acid and rocks in their stomachs to help them grind and digest just about anything, including hooves, horns and shells, (but not hair). They can go for as long as 18 months without eating.
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Crocodile Strength
So just how strong is a croc? Dr. Britton says a 16-foot croc can weigh half a ton, but the combination of crocodile speed, the element of surprise and steel-trap jaws is the key to the crocodile's power.
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Crocodile Reputation
Dr. Britton says don't fool yourself into believing crocodiles aren't that dangerous, because they can be deadly. But also keep in mind that they are animals just trying to survive.
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Read his responses to your croc questions.