Update on possible sexing of my birds... As I was coming out of the back door of the house I saw one of my Bresse cockerels attempting to mate with one of my Cornish. They are the lowest in pecking order in my flock as of right now, so I highly doubt there was a pecking order issue. I'm 100% sure he was trying to mount for mating. She got away. And I cannot yet tell them apart except for the darkest, most solid-color one.
I have a bunch of photos I took today. There are four birds out eating with most of the other birds, and ONE that chooses to stay back in the chicken run. I free-range my birds in my back yard daily, so I keep the chicken coop and yard gates locked in the open position.
I managed to only get a couple of photos with all four (ignoring the one in the coop/run) together:
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The darkest/most solid-color bird is the smallest, and has a comb that is the most developed.
This is one of the clearest/most in-focus photos I've taken of these to-date. I LOVE this photo. I am seeing some reddening of the facial skin in at least three of these five Cornish. One of them is below.
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It's at this point in all the photos I took that I cannot keep track of which bird is which (other than the one that has very solid coloring).
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Random up-close photo of the one with the "solid" coloration:
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The one in the chicken run that is the most nervous/nerotic:
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