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Loons and Osprey talk and migrate

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Alan Both loons and osprey talk over great distances, but one much more than the other. The loon has two main cries, one mournful and one laughing, to human ear--they about cover the gamut of human emotion, though Kroodsma says the "laughing" or bubbling one is a distress call. Possibly, but it seems to be used in many situtations distress is not apparent. The talkative loons migrate only a hundred miles or so, down to the ocean in winter from inland lakes. On the other hand, the osprey--like the Dyfi, Wales, offspring, Ceulan--migrate 4000 miles to W Africa, the Gambia. This is at around three months old, having never gone more than 10 miles before. In-human instinct is. No parent accompanies. As I write in mid-September, Ceulan has made it back to the Africa coast (from the Sahara) with only four or five hundred miles left.


Alan Powers has composed eight jazz tunes from birdtalk, this one in memory of his friend and mentor AJ Mithra, zoomusicologist from Chennai, who died young:
https://www.youtube.com/watch?v=_cHGF...


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