They did some kind of study and found that if you raise nothing but male chickens some of the males will start acting like hens, building nests and sitting on nothing...Lol.
Chickens seem to find a way.
I think that is more true in nature than we know......kind of like how kangaroos can determine sex of joeys based on what is more likely to survive. Seems to me there was an article about sex change in utero-I'd have to look and see if I can find it because that is totally bizarre.
http://www.kangaroo-protection-coalition.com/kangaroo-mothers.html
I wonder if the that idea came from the natural holding back.... hum. I'd have to know more about the sex organ development of kangaroos in general- like at what age of development is sex determined. Honestly, I'd rather stick to chickens.

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