18 day old Tree Swallow nestlings flap in the box the day before they fledge.

  Рет қаралды 1,284

david macgilvra

david macgilvra

8 жыл бұрын

Tree Swallow nestlings spend more and more time fluttering and flapping in the nest cavity as the day of fledging approaches.
Video from Francois Paquette of QC. Edited by Chris Gates of NY.
For more on tree swallow nestlings near fledging see:
treeswallowprojects.com/cfledg...

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