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Data show that since 1970, the US and Canada have lost nearly 3 billion birds, a massive reduction in abundance involving hundreds of species, from beloved backyard songbirds to long-distance migrants.
Coastal birds survive because their populations can absorb impacts and recover quickly from hurricanes -- even storms many times larger than anything previously observed.
A new study conducted in songbirds demonstrates that what at first appear to be genetic constraints on birds' song learning abilities could be largely eliminated by tailoring instruction to better match the birds' inborn predispositions.
