Evolutionary BiologybioRxiv
Insulin-like growth factor 1 is related to the expression of plumage traits in a passerine species
K. Mahr, O. Vincze, Z. Toth…·A. Z. Z. Lendvai
The study examines the relationship between IGF-1 levels and plumage traits in bearded reedlings, finding IGF-1 predicts tail length and structural plumage in males but not melanin-based ornaments.
DOI 10.1007/s00265-020-2821-6