Doug Wechsler / Tree swallow (Tachycineta bicolor) migratory flock descending to feed on Bayberries (Myrica pensylvanica), Cape May, New Jersey, USA. October.
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Doug Wechsler / Tree swallow (Tachycineta bicolor) flock descending to feed on Bayberries (Myrica pensylvanica) during southward migration, Cape May, New Jersey, USA. October.
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Doug Wechsler / Flock of Tree swallows (Tachycineta bicolor) in flight during southward migration congregating on seashore to feed on Bayberries (Myrica pensylvanica). New Jersey, USA. October.