Blue-winged Warbler at Cuyahoga Valley National Park. Photo by Joshua Clark
New research shows climate change is altering the delicate seasonal clock that North American migratory songbirds rely on to successfully mate and raise healthy offspring, … Read More “Study: Migratory birds arriving late to breeding grounds”
Although Golden-winged Warbler and Blue-winged Warbler do not look alike, they are invariably thought of together because they hybridize, producing fertile offspring in two distinct … Read More “Golden-winged Warbler and Blue-winged Warbler are remarkably similar”
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