Unusual behavior in the parental care of a house wren ( Troglodytes aedon ): Post fledging use of an old nest during cold nights
I report on the unusual behavior of an adult House Wren ( Troglodytes aedon ) leading recently fledged young back to the nest for two consecutive nights. The ambient temperature reached below 0°C during both nights. Despite disadvantages associated with remaining in the nest, this observation suggests that adult birds may assess trade-offs between perceived risks versus the benefits of engaging in other activities, in this case roosting communally for thermoregulation.
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