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Published on Mar 9, 2016
Female Tree Swallows spend roughly two weeks in their nests incubating their eggs. While she is passing warmth from her body to the embryos within the eggs her periods of quiet are often interspersed with a group of regular behaviors, shown in this video, that help the incubation process and also benefit the female herself.
Video from Francois Paquette of QC. Edited by Chris Gates of NY. Video from Francois Paquette of QC. Editing by Chris Gates of NY.