Scientists lift lid on turtle evolution

The turtle is a closer relative of crocodiles and birds than of lizards and snakes, according to researchers who claim to have solved an age-old riddle in animal evolution.

A bird's song may teach us about human speech disorders

(PhysOrg.com) -- Can the song of a small bird provide valuable insights into human stuttering and speech-related disorders and conditions, including autism and stroke? New research by UCLA life scientists and colleagues provides ...

Monogamous birds... peeping on the neighbors!

(PhysOrg.com) -- It is well documented that male birds seduce females using their songs, colourful plumage and courtship dances. These signals reflect male genetic quality and will be graded by the female to determine a male's ...

Genetic buzzer-beater genes may save fish

Two distinct populations of rainbow trout -- one in Alaska, the other in Idaho -- share a genetic trait that could have huge implications for fisheries conservation and management, an eight-member research team reports.

Chemical-munching mussels contaminating Great Lakes

Zebra mussels from the Caspian Sea, introduced to North America by accident, are becoming a veritable plague releasing toxic chemicals into the Great Lakes, Canadian biologists say.

Sexy sons thanks to mom

It is not the superior genes of the father, but the mother's resource investment in the eggs that makes Zebra Finch males particularly attractive. A Swiss-Australian research team lead by evolutionary ecologists at the University ...

Zebras versus cattle: Not so black and white

African ranchers often prefer to keep wild grazers like zebra off the grass that fattens their cattle. But a new study by UC Davis and Kenyan researchers shows that grazing by wild animals doesn't always harm -- and can sometimes ...

Females choose mates for their personalities, study shows

Adventurous females choose mates with similar personalities, regardless of the male's appearance and other assets, according to research led by the University of Exeter. This is the first study to show that the non-sexual ...

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