Need Identifying PLEASSSSEE HELP

[klf73]

I got these from a classmate of my daughter and the only info I have is the hens are black and we live in maine so I assume they are hardy. there are 4 each color so far

 

[equine chick]

The first one looks just like my jersey giant baby born about 1 week ago. See our breed page.

 

[klf73]

although you can't see it very well, what looks like white is actually yellow
Krista