A quick note about being extra careful with egrets this summer: On yesterday's bird walk at Gilsland Farm in Falmouth, we found what I initially called a 'pure looking' Little Egret in the marsh off the south end of the West Meadow. The two "spaghetti-like" plumes off the nape were obvious, so we shared scope views until the bird moved out of view. I went back after the walk to get a closer view and unfortunately realized it was an apparent Snowy x Little Egret hybrid. And to make things even more interesting, a second hybrid showed up too! Here are a few photos and field marks that may help others that encounter these birds in the field:
https://macaulaylibrary.org/asset/441179671
This view looks pretty 'pure' to me! Only the two long plumes visible; dark pink/purple lores (shown in early spring).
https://macaulaylibrary.org/asset/441179801
But once it started foraging, the shorter and bushy Snowy-like plumes were visible. Note also the back plumes a slightly more recurved than most Little Egrets tend to show.
https://macaulaylibrary.org/asset/441179391
Here is the second hybrid, which showed a more obvious blend of characteristics: the bushy plumes were conspicuous; body and especially bill shape were more Snowy-like too. This bird also showed duller purple-gray lores.
More photos are available on this eBird list:
https://ebird.org/me/checklist/S108281958
It is worth noting the majority of records in Cumberland County (between Tidewater & Gilsland farms in Falmouth and Scarborough Marsh) last year were apparent hybrids, though the Laudholm Farm bird was as pure looking as they come. So I wanted to encourage an extra degree of diligence when picking through little egrets or Little Egrets this summer.
Good birding,
Doug Hitchcox
Maine Bird Atlas - Outreach Coordinator
Maine Audubon - Staff Naturalist
207-781-2330 x237
dhitchcox@maineaudubon.org
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