Jun. 15—I like all kinds of birds. Watching them crowd around my bird feeding station is a source of great joy for me. If you asked me which bird is my favorite, I would have a tendency to say the ...

In polyandry the female mates with the male, then abandons the offspring for him to raise as she goes off to mate with another male. But acorn woodpeckers engage in a rare form of polyandry, where one ...