Tree Swallow
"What ... is the airspeed velocity of an unladen swallow?" - Bridge Keeper, Monty Python. Well, some swallows have been clocked at nearly 35 mph with only four wing beats per second!
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Tree Swallow, Alaska, USA
B97E4412
SwallowTree SwallowTachycineta bicolorPotter's MarshAnchorageAlaskaMayMaleHirondelle bicoloreGolondrina invernalFavorite
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