Blue-winged Warbler

Vermivora cyanoptera


Early Spring Date: April 21
Late Spring Date: May 23
Most Frequently Seen: April 25 - May 5

Golden-winged Warbler

Vermivora chrysoptera


Infrequently Seen

Blue-winged Warblers are seen every spring at Monticello Park in small numbers. From 2010 through 2017, there have been four years when only one-to-three were recorded for the entire spring. You have a better chance to see a Blue-winged than a Golden-winged. Only one Golden-winged Warbler was recorded at Monticello from 2010 through 2017. Blue-wings usually pass through Monticello early in the spring, so the best time to search for them is at the end of April and the beginning of May.

Where to See Them in the Park

Both species sing a lot and forage from the understory to the mid-level of trees.

Physical Descriptions


Blue-winged Warbler Male
Blue-winged Male - Photo by William Higgins

Blue-winged Warblers look very yellow. The head and underparts are yellow, and the back of the head and nape are olive. The wings are more bluish-gray than blue, with two white wingbars. The black line through the eye is a good fieldmark, although it can be difficult to see on a fast moving bird.

Blue-winged Warbler Female
Blue-winged Female - Photo by William Higgins

The visibility of the wingbars varies, depending on the position of the wings and the sex of the bird. Females have narrower and less prominent wingbars, and they have more olive on the head.

Golden-winged Warbler Male
Golden-winged Male - Photo by William Higgins

Golden-winged Warblers look gray, and you would never mistake one for a Blue-winged. The male has yellow on the wings and crown. He has a black mask with white borders, and his throat is black.

Golden-winged Warbler Male
Golden-winged Female - Photo by Lori Price

The female's mask and throat are gray rather than black.

Brewster's Warbler
Brewster's - Photo by William Higgins

Blue-winged and Golden-winged Warblers often interbreed, creating a broad range of hybrids. The grayish ones are called Brewster's Warblers. They usually have yellowish wingbars, but some have white wingbars. The body is gray like on a Golden-winged. They have no mask, and they have a black eyeline like a Blue-winged. Brewster's Warblers have yellow on the breast like a Blue-winged, but the amount of yellow on the breast varies. Lawrence's Warblers are hybrids who are yellow like a Blue-winged and have a black mask and throat like a Golden-winged. Brewster's Warblers are more common than Lawrence's and will occasionally show up at Monticello. During the 1980s, a Lawrence's Warbler was in the same bush at Monticello as a Blue-winged, and people could observe the differences in plumage.

Vocalizations

The two warblers have similar songs. The Blue-winged sings a single note followed by a raspberry-like sound — Bee-Buzzzzz. The Golden-winged sings a single note or short trill followed by two or three raspberries — Bee-Buzz-Buzz-Buzz. The songs are high-pitched and can be difficult to hear. Hybrids can sing either song, so when you hear a song that sounds like a Blue-winged or a Golden-winged, you can never be sure what you are hearing unless you see the bird.

Hear the song of the Blue-winged Warbler.
Hear the song of the Golden-winged Warbler.

Notes

The DNA of Blue-winged and Golden-winged Warblers is 99.97% the same. Some ornithologists suggest that they might be subspecies of the same species. This controversy has existed at least since the time of John James Audubon. Golden-winged Warblers breed around the Great Lakes and along the ridge of the Appalachian Mountains, including in Highland County, Virginia. Blue-winged Warblers have a broader breeding range within the northeast quarter of the United States. They used to nest at Little Bennett Park in Montgomery County, Maryland, but no longer. Both species breed in a variety of habitats that include stream borders with shrubs, power-line rights-of-way, swamp edges, and abandoned pastures. Efforts are being made to help Golden-winged Warblers in Maryland and Pennsylvania.

Origin of Names

Common Names: Blue-winged from the blue-gray wings. Golden-winged from the yellow on the wings. The New World Warblers were named for their similar appearance to European warblers, to whom they are not related. Most of the New World warblers do not warble (to sing continuously with notes that change frequently).
Genus Name: Vermivora means "worm eating".
Species Names: Cyanoptera means "dark blue wings". Chrysoptera means "gold wings".

Blue-winged Warbler video footage
Golden-winged Warbler video footage
Blue-winged and Golden-winged Warblers and hybrids video footage

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