- Apr 2, 2023
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Exchequer Leghorn:Ok. Kippenjungle want helpful as white crested simply isn't an option. Ok....go do some quicky research on what the genetic breakdown of a white crested black polish (the blue roo is easy as that's the BBS we've discussed so much in the past). Here's where it gets interesting.
White crested black is actually a VARIATION of mottled. There's a Japanese study about it.
www.backyardchickens.com/threads/white-crested-black-polish-question.1331480
(Dunno if that will work as I had to type it on phone while looking at computer)
Ok....lemme go look at WCB Polish chicks......they look JUST like what you have with 1 teensy tiny exception.
View attachment 4086991
The black "exclamation mark" front and center of the crest. THAT is classic pure mottled.
View attachment 4086990exchequer leghorn
View attachment 4086988mottled Ancona
View attachment 4086989mottled houdan
That "exclamation" is more readily visible on the Houdans, but there's a tiny little spot on the EL and MA, also. Being as the WcB are a variation of mottled (I'm still wrapping my head around that one....didn't Phyllis have a stray white feather?) It makes perfect sense for your little darlings to be mottled (especially with the presence of at least 1 mottled mama). Whether one or both will turn out to be BLUE mottled or Black remains to be seen. Either way, the roo will be clear.
Also, they will initially feather out with colors matching current down color placement (possibly blue where the black is). The mottled effect should start with the 9-12 week moult.
Ooooohhhhh, another interesting delve into a genetic surprise! Thank you!