In the final year of Thomas Martin’s songbird study in Venezuela, he noticed some birds just weren’t breeding. In fact, one species — the gray-breasted wood-wren (Henicorhina leucophrys) — went from having 65 active nests …
After placing geolocators on prothonotary warblers (Protonotaria citrea) in a number of states, researchers found that wherever the birds depart from, most travel to northern Colombia for the winter. “This was a big surprise,” said …
The blackpoll warbler (Setophaga striata) may be tiny, but its journey during migration is quite extensive. The species has long fascinated biologists interested in migration. A recent tracking study confirmed the birds make phenomenal transoceanic three-day …
Shannon Luepold had to cross rickety old bridges, endure flat tires and fight off black flies and other biting insects in order to conduct her research on rusty blackbirds (Euphagus carolinus) — a North American …
It was Christmas in late March for Erik Johnson and Jared Wolfe. The two researchers had just received news that a Prothonotary warbler (Protonotaria citrea) that they had fitted with a geolocator in June 2013 …
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