One-day old tree swallow nestlings in a nest box.

One-day old tree swallow (Tachycineta bicolor) nestlings in a nest box.

(Credit: Tom Custer, USGS. Public domain.)

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Detailed Description

One-day old tree swallow nestilings in a nest box.

Details

Image Dimensions: 4000 x 3000

Date Taken: 2000 (approx.)

Location Taken: US