Snowy Owl Migration- A Harbinger of the End of Species
Posté : 15 févr. 2012, 11:02
http://www.celsias.com/article/snowy-ow ... n=20120214
Scientists and birders watching the extraordinary and disturbing midwinter migration of hundreds of snowy owls from the Arctic admit that they don’t know why so many of the birds are departing their natural wintering grounds.
One observer used the word “unbelievable.” Another said that it was the “most significant wildlife event in decades.” Like the word ‘surprise’, the implications are not necessarily good. A heart attack is almost always a surprise.
Scientists and birders watching the extraordinary and disturbing midwinter migration of hundreds of snowy owls from the Arctic admit that they don’t know why so many of the birds are departing their natural wintering grounds.
One observer used the word “unbelievable.” Another said that it was the “most significant wildlife event in decades.” Like the word ‘surprise’, the implications are not necessarily good. A heart attack is almost always a surprise.