Some birds observed stealing hair from living mammals

Dozens of online videos document an unusual behavior among tufted titmice and their closest bird kin. A bird will land on an unsuspecting mammal and, cautiously and stealthily, pluck out some of its hair.

Chainsaw-carved trees make perfect homes for marsupial phascogale

As a result of logging and severe bushfires, Australian wildlife is facing a severe shortage of tree hollows—holes in the trunks and branches of large old trees. More than 300 species of birds and mammals, including possums, ...

Team cracks eggs for science

Avian brood parasites lay their eggs in the nests of other bird species, forcing the hosts to do the hard work of raising the unrelated young. A team of scientists wanted to simulate the task of piercing an egg—a tactic ...

Warmer springs mean more offspring for prothonotary warblers

Climate change contributes to gradually warming Aprils in southern Illinois, and at least one migratory bird species, the prothonotary warbler, is taking advantage of the heat. A new study analyzing 20 years of data found ...

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