Tag: brood parasitism
Brood Parasitism of Song Sparrows by Brown-headed Cowbirds
It isn’t easy to watch as parasitic fledgling cowbirds run their adopted Song Sparrow parents ragged as they relentlessly follow the sparrows around and beg for food.
Savannah Sparrow Feeding Fledgling
During our last Montana trip we had multiple sessions over several days with a very cooperative Savannah Sparrow – “cooperative” in the sense that the bird could always be found in the same spot along the shore of Lower Red Rock Lake in Red Rock Lakes National Wildlife Refuge.
Lazuli Buntings In The San Rafael Swell
Appropriately named after the blue gemstone lapis lazuli, the Lazuli Bunting is one of our most colorful western birds. The persistent and conspicuous song of the male throughout the breeding season has been likened to an “acoustic barcode” that is unique to that individual bird.
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Brood Parasitism of Song Sparrows by Brown-headed Cowbirds
It isn’t easy to watch as parasitic fledgling cowbirds run their adopted Song Sparrow parents ragged as they relentlessly follow the sparrows around and beg for food.
Savannah Sparrow Feeding Fledgling
During our last Montana trip we had multiple sessions over several days with a very cooperative Savannah Sparrow – “cooperative” in the sense that the bird could always be found in the same spot along the shore of Lower Red Rock Lake in Red Rock Lakes National Wildlife Refuge.
Lazuli Buntings In The San Rafael Swell
Appropriately named after the blue gemstone lapis lazuli, the Lazuli Bunting is one of our most colorful western birds. The persistent and conspicuous song of the male throughout the breeding season has been likened to an “acoustic barcode” that is unique to that individual bird.