The species was historically limited to western California but has extended its range as far as British Columbia, according to Birds Connect Seattle. Anna's Hummingbird can be found throughout the ...

(Sources: Victor Ortega-Jimenez and Robert Dudley, UC Berkeley; Doug Altshuler, University of British Columbia, Vancouver) Letting hummingbirds loose in wind tunnels allows researchers to probe ...

A Rufous hummingbird feeds in a backyard at an Oak Park, Ill. residence on Jan. 5, 2012. The birds, which spend some of their time in British Columbia, were the focus of a new study looking into when ...