Uncovering the purpose of birds' extra fat

Ornithologists have long wondered why some birds carry more fat than they need to fuel their migration, and a new study in The Auk: Ornithological Advances provides the answer: Leftover fuel from spring migration gives female ...

Ban on drones over Pennsylvania lands gets preliminary OK

The Pennsylvania Game Commission has given preliminary approval to banning drones over 1.5 million acres of state game lands after reports of the unmanned craft near bald eagles' nests and drones interfering with migrating ...

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