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 birds’ young by balancing the amount of assistance they give with the benefits they expect to receive in the future.