Animal Behavior & CognitionbioRxivPreprint
Seeking smarts: Male chickadees with better spatial cognition sire more extra-pair young
Carrie L. Branch, Benjamin R. Sonnenberg, Joseph F. Welklin…·Правосудов Владимир Витальевич
The paper finds that male chickadees with better spatial cognition sire more extra-pair young and produce heavier offspring, supporting the good genes hypothesis.