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Regarding the June 23 post below (Blue-winged or Brewster's) and its three comments, Ken Sapkowski emails:
"Here are a couple more photos. The first is from the same area (Crockery Creek Natural Area) and shows a Blue-winged Warbler that also appears to have some white. Maybe a sibling? The second is of the Lawrence's Warbler taken May 29 at the Kalamazoo Nature Center."
Regarding the June 23 post below (Blue-winged or Brewster's) and its three comments, Ken Sapkowski emails:
"Here are a couple more photos. The first is from the same area (Crockery Creek Natural Area) and shows a Blue-winged Warbler that also appears to have some white. Maybe a sibling? The second is of the Lawrence's Warbler taken May 29 at the Kalamazoo Nature Center."