Are you the type that has an insatiable appetite for lusty affairs?

Then you’ll enjoy hearing about the lifestyle of the Smith’s Longspur— which would make even Hugh Hefner blush!

This bird is one busy lover…

No matter what your feelings about Valentines Day, there’s no avoiding it—at home or in the wild. Whether you’re in the backcountry or your backyard, you’re likely to encounter a courtship ritual of some sort this month

For the animals engaged in such displays, the whole month of February, not just Valentine’s Day, is meant for romance.

Read more and find out what animals have gone acourting this month.

The black-capped chickadee may be the most incredible of all winter survivors.

These little birds have evolved an unusual means of saving energy and coping with cold weather—they actually lower their body temperature!.

Click here to get the story of how a tiny bird is able to keep the elements at bay.

Think those huge heart-shaped boxes of Valentine’s chocolates are impressive? Compared to the size of a human heart perhaps. But a whale’s heart dwarfs even the samplers that would make a nutritionist’s heart skip a beat!

And don’t underestimate the little hummingbird. Its heart beats more than 500 times per minute.

Read on and find out how the human heart measures up.