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I was reading a ratite trade publication article by "the" expert in
phenotyping. He states, "One of the things that you'll find on emu chicks [is
that] you can also sex them by their leg bones straight out of the egg.
Because...the lower leg bone from the hock to the ankle is shorter on a male
bird than it is a female bird. Females are just inherently longer in that leg
bone. That leg bone is a ratio to their body height, and it will be the same
when they hatch as it is when they are a year old. It's a pretty good
indication of what that bird is going to be and how tall it'll be and so on."
Is this something that can be applied to dinosaur research in determining sex