Research shows some birds use cigarette butts in nests to reduce parasites, though potential health risks remain.

DALLAS — Several flocks of lime-green parakeets living in the wild have become a municipal marvel in the wooded neighborhoods near White Rock Lake. "They're so amazing and unexpected," said ...

It seems that by lacing their nests with cigarette butts, several species of birds have learned to keep pests and parasites ...

City birds are using cigarette butts in their nests to reduce parasites, but the toxic tradeoff may come with hidden risks ...

When Is Spring for the Birds? We may celebrate the first day of spring on March, but spring varies for birds. It depending on ...