bird research
gregladen | December 20, 2016What is sex?
Musings at 10,000 Birds:
This is a simple question with a complicated answer. Part of the answer is this: The biological identity of an individual that guides its choice of mate. So, in a simple version of the world of a bird, there are two sexes, male and female, and males chose females and females chose males as mates.
Assume for a moment that there is choice, and that the choice is based on a discernible feature. So, for example, males and females prefer to mate with a member of the opposite sex who has a blue and white pattern on its breast. So far so good, and so far simple…