For the male canary, the ability to sing a pitch-perfect song is critical to wooing female canaries. As the seasons change, so does song quality and frequency. The hormone testosterone plays a role in this changing song behavior. ...
Tags: hormone testosterone, human brain, anabolic steroids, human behavior
For the male canary, the ability to sing a pitch-perfect song is critical to wooing female canaries. As the seasons change, so does song quality and frequency. The hormone testosterone plays a role in this changing song behavior. ...
Tags: male canary, birdsong, hormone testosterone, changing song behavior