Hi urbanhippy,
Thank you for your interest! These photos were taken about 1.5 week ago at about 3.5 weeks old. The Standard Black Cochin chick is smaller than the other 2. They're bigger now, but should be comparable in size to your 4 week olds, since they're only about a week older than yours...
We have three (3) 5-week-old hen chicks that need to be re-homed. These chicks were raised by two little girls that love them and want to see them go to a safe and caring environment.
We are looking for someone who knows how to SAFELY integrate such young chicks into their existing flock of...