Does the syrinx, a peripheral structure, constrain effects of sex steroids on behavioral sex reversal in adult canaries?
E. B. dos Santos, D. Logue, G. F. Ball, C. A. A. Cornil, J. Balthazart
This study shows that sex differences in trilling behavior in canaries are linked to sex differences in syrinx mass and muscle fiber diameter, which are not fully reversible by sex steroids in adulthood.
bioRxiv · Apr 19, 2023Animal Behavior & Cognition