Female engaging in nest maintenance. There are 4 nestlings.
This female takes the hygiene of her nest and nestlings seriously. I doubt a fecal sac or insect would take this kind of effort.
CitationConan Guard, IBC1172174. Accessible at hbw.com/ibc/1172174.
Conan Guard, IBC1172174. Video of Yellow-eyed Junco Junco phaeonotus at Chiricahua Mountains, USA (United States). Accessible at hbw.com/ibc/1172174.
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