Research from Poland adds to evidence from Latin American countries that compounds in used cigarette butts ward off parasites in bird nests. By Lesley Evans Ogden Darwin’s finches in the Galápagos, ...
Whether you’re out on your day-to-day stroll, or simply passing from one place to another, a swish of silky black may catch your eye. Often found perching in a desert mistletoe-laden tree, the ...
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