If you've just plugged up the holes in your attic and you see a racoon or squirrel frantically trying to get back in ...

... it may not be just that they are mad because they can't have their own way.

It may be because they left something behind. Something so well hidden and so tiny that you didn't notice it.

Like these little tykes. Their eyes aren't even open but they have adorable masks already. Adorable.

Read about their reunion here.