A defining characteristic of hummingbirds — at least for those of us in North America — is their teeny size. Birders put out sugar water feeders every year in the hopes of bringing in a jewel-colored ...
Jessie Williamson, an assistant professor in the UW Department of Zoology and Physiology, takes a pollen sample from a northern giant hummingbird (Patagona peruviana) during research in Peru.
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