- Chickens can't swallow while they are upside down.

 - Every year, $1.5 billion is spent on pet food. This is four times the amount spent on baby food.

 - In California, it is illegal to threaten a butterfly, let alone kill one.

 - Beavers can hold their breathe for 45 minutes under water.

 - Certain frogs can be frozen solid then thawed and continue living