Although they don’t seem like the talkative type, recent research suggests that bird eggs can use vibrations to relay warnings about the outside world to their nest-mates.

Although they don’t seem like the talkative type, recent research suggests that bird eggs can use vibrations to relay warnings about the outside world to their nest-mates.

Why did so many birds ditch penises? Maybe it was natural or sexual selection, an accident, or in exchange for something way more useful to them. Whatever the reason, penis loss goes to show that internal fertilization doesn’t require a...

As spring approaches in the Northern Hemisphere, we anticipate the fluttering butterflies and the capering baby lambs, and we can also expect to see some birds hammered out of their minds in the trees, and perhaps on the ground. In most...

There are all sorts of flying birds, but some of the world's biggest are ones that stick to the ground, like the awesome ostrich!

Howcast - Learn about veterinarian Anthony Pilny and veterinary nurse Lorelei Tibbetts, two of Howcast's animal experts, in this video.

What is a cockatiel, Where do they come from, and How do we properly care for them in captivity? Jessi and Steve have the answers!<br/>

This live-action video program is about the pseudo-ruminant digestive system. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and...

This live-action video program is about the ruminant digestive system. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful,...

This live-action video program is about the avian digestive system. The program is designed to reinforce and support a student's comprehension and retention of the term through use of video footage, photographs, diagrams and colorful,...