MacGillivray's Warbler

The MacGillivray's Warbler, Oporornis tolmiei, is a small species of New World warbler. MacGillivray's warblers, like all members of the genus Oporonis, are a sluggish and heavy warbler with short tail, preferring to spend most of their time on or near the ground, except when singing.

Related Topics:
New World warbler - Oporonis

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The MacGillivray's warbler was named by John James Audubon in honor of Scottish ornithologist William MacGillivray, even though proper credit to its discovery goes to John Kirk Townsend.

Related Topics:
John James Audubon - William MacGillivray - John Kirk Townsend

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An adult MacGillivray's warbler will grow to be about 5 to 6 inches in length. They are an olive-green color on top and a dull yellow below. Males have a black head and breast, while females and immature birds have a dingy light gray head. They have a white eye-ring that surround their eyes. MacGillivray's warblers are almost identical to their eastern counterpart the Mourning Warbler, with the only real diffference between the two species being the mourning warblers lack of an eye-ring.

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MacGillivray's warblers are migratory and spend summer in the temporate forests of the western United States and boreal forests of west Canada. In the fall they will migrate back to Central America, where they will stay for winter in the temporate shrublands.

Related Topics:
Migratory - United States - Boreal - Canada - Central America

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