chicks starting to grow wing feathers,, how old are they???

[bigkaylowmoney]

My chicks are 4 days old and the wing feathers are growing fast.

 

[Snusnu of old homestead]

View attachment 3087457

Almost that long, I got them at Jax, and forgot to ask. 2 cream legbar, and 2 Isa brown's, intro into an established flock of 9, under a broody welsummer.