DrStephenD:
Northern Rough-winged Swallow (Stelgidopteryx serripennis)
DrStephenD:
Suspicious Cliff Swallows
DrStephenD:
Tree Swallow (Tachycineta bicolor)
DrStephenD:
Residential Debates
DrStephenD:
Dancing On Air
DrStephenD:
Tree Swallow (Tachycineta bicolor)
DrStephenD:
Best Mud in Town
DrStephenD:
Cliff Swallows
DrStephenD:
Tree Swallow (Tachycineta bicolor) female
DrStephenD:
Tree Swallow (Tachycineta bicolor)
DrStephenD:
Tree Swallow Performance
DrStephenD:
Tree Swallow Dance