Cactus Wren Nest Orientation
Cactus Wrens, which may nest several times between March and September, carefully orient their nests in tune with the season. These bulky twig structures have a side entrance that curves toward the inner chamber. When building a nest for the hot months, the wren faces the opening to receive the afternoon breeze. By contrast, a Cactus Wren building a nest in early March orients the entrance away from the cold winds of that season, keeping the chicks snug and warm.
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Cactus Wrens, which may nest several times between March and September, carefully orient their nests in tune with the season. These bulky twig structures have a side entrance that curves toward the inner chamber. When building a nest for the hot months, the wren faces the opening to receive the afternoon breeze. By contrast, a Cactus Wren building a nest in early March orients the entrance away from the cold winds of that season, keeping the chicks snug and warm.
More info and transcript at BirdNote.org.
Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks.
BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.
Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.
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