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Bullock's oriole (Icterus bullockii) is a small New World blackbird. At one time, this species and the Baltimore oriole were considered to be a single species, the northern oriole . This bird is named after William Bullock , an English amateur naturalist .
It received its name from the resemblance of the male's colors to those on the coat-of-arms of 17th-century Lord Baltimore. Observations of interbreeding between the Baltimore oriole and the western Bullock's oriole Icterus bullockii, led to both being classified as a single species, called the northern oriole, from 1973 to 1995. Research by ...
Bullock's oriole: Icterus bullockii: as far north as British Columbia in Canada and as far south as Sonora or Durango in Mexico Streak-backed oriole: Icterus pustulatus: Costa Rica, Nicaragua, Honduras, El Salvador, Guatemala, Mexico and an occasional visitor to the Southwestern United States Black-backed oriole: Icterus abeillei: Mexico ...
For example, the male great-tailed grackle is 60% heavier than the female. The smallest icterid species is the orchard oriole , in which the female averages 15 cm in length (6 in) and 18 g (0.040 lb) in weight, while the largest is the Amazonian oropendola , the male of which measures 52 cm (20 in) and weighs about 550 g (1.21 lb).
The northern oriole (Icterus galbula), considered a species of North American bird from 1973 to 1995, brought together the eastern Baltimore oriole, Icterus galbula, and the western Bullock's oriole, Icterus bullockii. Observations of interbreeding between the Baltimore and the Bullock's oriole led to this classification as a single species.
The first Baltimore Oriole reported sighting of the season was actually ahead of season, with report by a very surprised birder on Feb. 2 coming in from Lowell. "I don't believe I am saying this ...
The male's head and breast are orange and there is a black patch through the eye. ... Black-vented oriole, ... Bullock's oriole, Icterus bullockii; Baltimore oriole ...
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