Forum > Birds In The News > Russian Cuckoo Invasion Spells Trouble For Alaskan Birds

Webmaster Posted 07-May-2018 11:18
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From Science Daily on 07-May-2018 11:18

Common cuckoos and oriental cuckoos in eastern Russia appear to be expanding their breeding range into western Alaska, where songbirds are naive to the cuckoos' wily ways, researchers report. A new study suggests the North American birds could suffer significant losses if cuckoos become established in Alaska.


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