Scientists rediscover small Brazil tree, 185 years on

A species of small holly tree that was last seen nearly two centuries ago and was feared extinct has been rediscovered pluckily clinging to life in an urban area in northeastern Brazil, scientists said Tuesday.

Cheetahs in race to survive

The cheetah, the world's fastest land animal, survived mass extinction during the last ice age 10,000 years ago.

When managing birdfeeders, think bird health and safety

Feeding birds in winter is one of the nation's most popular wildlife-watching activities, yet many ornithologists say it's often more rewarding for people than for birds. And it might even put wild birds at risk.

Bird ranges shift north, but not as fast as climate

(PhysOrg.com) -- As warmer winter temperatures become more common, one way for some animals to adjust is to shift their ranges northward. But a new study of 59 North American bird species indicates that doing so is not easy ...

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