Latest The American Naturalist Stories
Tiger snakes in Australia are of varied size, with some isolated island populations being twice the size of those on the mainland.
Location matters for birds on the hunt for caterpillars.
Research published in the October issue of The American Naturalist shows that Australian green tree frogs survive the dry season with the help of the same phenomenon that fogs up eyeglasses in the winter.
The way in which global warming causes many of the world's organisms to shrink has been revealed by new research from Queen Mary, University of London.
A puzzling example of altruism in nature has been debunked with researchers showing that purple-crowned fairy wrens are in reality cunningly planning for their own future when they assist in raising other birdsâ€™ young by balancing the amount of assistance they give with the benefits they expect to receive in the future.
Why do we grow old and what can we do to stop it?
Scientists have caught male topi antelopes in the act of faking fear in front of females in heat as a way to improve their chances of having sex.
Individual male birds can differ dramatically in their behavior, and this difference is often due in part to how much testosterone they produce.
A field study of the relationship between testosterone and natural selection in an American songbird, the dark-eyed junco, has defied some expectations and confirmed others.
Paleontologists can't always get what they want, to paraphrase the Rolling Stones, but sometimes they can get what they need, according to a study that will appear in the May issue of the American Naturalist.
- The relation of a son or daughter to a parent: the correlative of paternity.
- The establishment of a filial relation, specifically by adoption.