Once, many towns tried to keep beavers out of local rivers and streams. But now, some are leaving them alone—or even welcoming them in! ...

Humpback whales are whopping big mammals! But what else are they? Read on to find out! ...

Just like human moms, animal moms do lots of things for their babies. ...

Little Caterpillar has a big job to do. It needs to eat and eat so something wonderful can happen. ...