On the branches of a eucalyptus tree, a kookaburra tilts its head and lets loose its strange, rolling call. Its DNA insists ...

An Australian study reveals a surprising phenomenon: male birds laying eggs due to sex reversal. Researchers found that some ...

Researchers have found an unexpected surging rate of sex reversal in wild Australian birds. However, the cause is unknown yet ...

Visit the TV show page for 'Wild Birds of Australia' on Moviefone. Discover the show's synopsis, cast details, and season information. Watch trailers, exclusive interviews, and episode reviews ...

Scientists have documented a surprising rate of sex reversal in wild Australian birds, a phenomenon that could be explained ...

Much of Australia consists of vast tracts of uninhabited land, a perfect hunting ground for the country's imperious birds of prey. From the brown falcons that feed on the country's deadliest ...

Researchers find that about 5 percent of birds studied have a mismatch between genetic and physical sex—including one male ...

A new Australian study has revealed that sex reversal in wild birds is more widespread than previously thought, surprising scientists and raising conservation concerns.

Scientists have documented a surprising rate of sex reversal in wild Australian birds, a phenomenon that could be explained by rising pollution or other environmental triggers.