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

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

Tree Swallow with Nesting Material, Montana (Tree Swallows)

Barn Swallows with Mud for Nesting, Montana (Barn Swallow)

Tree Swallows Mating, Montana (Tree Swallow)

Northern Rough-winged Swallow, New York (Northern Rough-winged Swallows)

Barn Swallow Fledglings, Amherst, Canada (Barn Swallows)

Tree Swallow, Lansing, NY (Tree Swallows)

Tree Swallow on Lichen, Minnesota (Tree Swallows)

Barn Swallows in Flight, Assateague, Maryland (Barn Swallow)