Violet-green Swallow, Mission Valley, Montana (Violet-green Swallows)

Violet-green Swallow 2, Mission Valley, Montana (Violet-green Swallows)

Yellow-rumped Warbler Foraging in Stream, Jackson, Wyoming (Yellow-rumped Warblers)

Yellow-rumped Warbler in Fall, Jackson, Wyoming (Yellow-rumped Warblers)

Raven Chases Short-eared Owl, Geneva, New York (Short-eared Owls, Ravens)

Singing Carolina Wren, Ithaca, New York (Carolina Wrens)

Carolina Wren, Ithaca, New York (Carolina Wrens)

Singing Marsh Wren, Sax-Zim Bog, Minnesota (Marsh Wrens)

Wrentit, Point Reyes, California (Wrentits)

Boat-tailed Grackle in Display Pose, Fort Myers, Florida (Boat-tailed Grackles)