Contrary to common belief, you can't just put together the male and female of a species and expect them to mate. Here's why.

Why do parrots eat clay? Why do giraffes gnaw on bones? Do herbivores really just eat plant materials? Read on to find out more.

The males and females of some species can vary drastically in many ways, but they could also be virtually indistinguishable. Why is that so?

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Take a guess. Do you think the ratio of male to female in the 7.8 billion human population is close to 1 at all? Read on to explore more.

​Do you know polar bears do not hibernate? Aside from hibernation, how much do you know about the other behaviors? Read on to find out more.

Are animals really either just warm-blooded or cold-blooded? The truth might be more complicated than you think.

There is a clear distinction between the terms "venomous" and "poisonous" in biology. Read on to find out more.

Learning the strategies to read a scientific paper will not only save you time; it also enables you to extract information better.

Why are some animals capable of running just hours after being born, whereas some take years to be mobile? Read on to find out more.