Mockingbirds Can Tell People Apart

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Birds rapidly learn to identify people who have previously threatened their nests and sounded alarms and even attacked those folks, while ignoring others nearby, researchers report in Tuesday's edition of Proceedings of the National Academy of Sciences.” (Discovery News).

This is being reported as exciting news but IMHO there is nothing at all surprising about this finding.

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Bird populations in crisis throughout the world

Double-crested Cormorant -- Humber Bay Park (T...Catastrophic fall in numbers: 45 per cent of common European birds are declining; resident Australian wading birds have seen population losses of 81 per cent in the same period; twenty common North American birds have more than halved in number in the last four decades…

“The report, released today with an accompanying website at the BirdLife World Conservation Conference in Buenos Aires, Argentina, identifies many key global threats, including the intensification of industrial-scale agriculture and fishing, the spread of invasive species, logging, and the replacement of natural forest with monocultural plantations. It goes on to suggest that in the long term, human-induced climate change may be the most serious stress.”

(Independent.UK)