Multilevel societies are among the most complex societies known in nature. They are organized like Russian nesting dolls—individuals belong to family groups, which belong to clans, which belong to ...

Tiny birds on remote Scottish islands are undergoing a dramatic evolutionary transformation. Scientists studying four isolated populations of British Wrens discovered that some island birds have grown ...

Superb fairy wrens are more likely to take risks to help members of their close social circle, according to an international team of researchers including scientists from Monash University and The ...

Add Yahoo as a preferred source to see more of our stories on Google. Adorable eurasian wren, troglodytes troglodyte, resting on the tree in spring. Tiny european songbird on branch. Little animal ...