Enables androgen receptor binding activity. Involved in forebrain development; innate vocalization behavior; and response to testosterone. Predicted to be active in nucleus. Human ortholog(s) of this gene implicated in several diseases, including attention deficit hyperactivity disorder; autism spectrum disorder (multiple); communication disorder (multiple); dyslexia; and major depressive disorder. Orthologous to human FOXP2 (forkhead box P2). [provided by Alliance of Genome Resources, Apr 2022]