Zonotrichia leucophrys
National Institutes of Health
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Pantanal is the world largest inland wetland and is internationally renowned by its high species diversity, but low level of…
Namibian Saltmarsh In the more saline zones where flooding rarely occurs Sporobolus virginicus and Scirpus dioicus are the main…
According to the gonadal hypothesis of the stimulus for migration in birds, developed chiefly by Rowan (1926, 1929, 1932), spring…