Feather corticosterone is not associated with feather growth rate or quality across tropical and temperate passerines, but possibly linked to elevation
Ondřej Kauzál, Oldřich Tomášek, Kryštof Horák, Marie Adámková, Tereza Kauzálová, David Hořák, Ondřej Sedláček, Esembe Jacques Chi, Francis Teke Mani, Zuzana Hochmanová, Zdeněk Šimek, Tomáš Albrecht
This study examines the relationship between corticosterone levels in feathers and feather growth rate or quality across passerine birds, finding no association but suggesting elevation may influence corticosterone levels.
Folia Zoologica · May 21, 2026Peer-reviewedEcology