Dogs can pick up on many odors that humans can't detect. That's because a dog has around 300 million smell receptors in its nose, while humans only have about 6 million. This powerful sense of smell plays important role in finding a mate.
Pets: Wild at Heart | Episode 2 | Secretive Creatures
Domestic cats are derived from an wild African species that moved in with humans some 10,000 years ago. Although they no longer have to hunt their own food, even as kittens, they display a number of traits that make them effective killers.
Ratites are a group of mostly flightless birds that come in a huge variety of shapes and sizes. The name ratite derives from the word Latin word ratis or raft, referring to their flat breast bones that lack the sharp keel found in flying birds. ...
Videos Interview with Sam Trull (North Carolina Now - Sep 23, 2015) http://video.unctv.org/video/2365568368/?start=1040 (Also available on YouTube.) Television Critics Association Preview with Sam Trull (PBS - Sep 9, 2015) https://www.youtube.com/watch?v=TXnUlpa8FM4&feature=youtu.be