Male Japanese quail (Coturnix japonica) can use their sex organs to whip up a meringue-like foam. This frothy, protein-rich concoction seems to help sperm fertilise the maximum number of eggs ...

The swan song of San Francisco's last known remaining California quail is a sad one. Three lilting notes – chi-ca-go – cries the adult male from his perch in Golden Gate Park. There is no ...

Meanwhile, researchers at Waseda and Kitasato universities are exploring the neurochemical link between male aggressiveness and the presence of females. The Japanese quail is commonly used to ...