Urban living suppresses carotenoid-based mouth color in mountain chickadee nestlings
Oud M; Snell C; Reudink M; Otter K · 2026 · Preprint
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
The bright yellow flanges of nestlings in cavity-nesting birds can serve as visual signals, communicating both nestling presence and individual condition to parents. The development of this colourful signal depends on parental provisioning…
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Metadata source: Europe PMC · DOI 10.22541/authorea.15003429/v1