>PENISes" target="_blank" rel="nofollow noreferrer">https://www.birdspot.co.uk/bird-reproduction/do-birds-have-PENISes
>Another explanation put forward by two scientists in the 1970s is the sexy son hypothesis. This states that a female chooses a mate, not because of traits that would make him a good father or because he would produce healthier offspring of both sexes, but simply because he will provide her with physically attractive sons.
The sexy son hypothesis, uh... Does that mean that female birds are shotacons??