Saturday, June 24, 2017

Red-eyed Vireo

The Red-eyed Vireo’s persistent, clear whistle is often heard in North American forests. The song seems to ask a short question and then give a short answer. A folk name is Preacher Bird. One observer commented, “I have always thought that whoever dubbed this vireo the ‘preacher' could have had no very exalted opinion of the clergy” (Bradford Torrey in Bent 1950).

The word vireo comes from the Latin “greenfinch.” Most vireos are greenish birds (Gruson 1972). Whatever the name, this photo clearly shows this vireo’s red eye. Erika and I found this bird in Carleton College’s arboretum in May 2017. This species breeds across much of Canada and the United States. They winter east of the Andes in the Amazon jungle. When migrating, this bird orients to the earth’s magnetic field (Cimprich et al. 2000).

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