[Maine-birds] Brewster's Warbler (hybrid) - Saco, 5/22

Hi everyone:

On Tuesday, a group of us stopped at Smutty Lane in Saco to check on the Blue-winged Warblers that have frequented that location for a few years (see the eBird checklist below for the precise spot). While looking for the Blue-winged we also found a "Brewster's Warbler", a first generation hybrid between Blue-winged and Golden-winged Warblers. The one Blue-winged Warbler we saw was silent the entire time but the Brewster's was quite vocal, singing a typical "bee-buzz" song of a Blue-winged. I figured anyone visiting that location would want to know because of the possibility of a "heard only" bird not being a pure Blue-winged.

I went back this morning (5/25) and did have an (apparently pure) Blue-winged Warbler singing but didn't see the Brewster's. However, increased wind and sun made it a little less birdy than our Tuesday visit.

This site also hosted a Brewster's Warbler in spring 2010. The habitat around there is great for Blue-winged and Prairie Warblers.

Here is a complete checklist from Tuesday (with some lousy photos of the Brewster's): https://ebird.org/me/view/checklist/S46011451

Good birding,


Doug Hitchcox
Staff Naturalist
Maine Audubon
207-781-2330 x237
dhitchcox@maineaudubon.org

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