Actually, I paid extra for the small order. The total freight for my three little chicks was over $36.00. That's why I was so surprised that they used extra chicks instead of the special heating pad I thought I paid for. Still no reply from my email to the hatchery - if I find out why I got the extras, I'll post it here.
Extra chicks would be great if I didn't live where I do. I'd love to be able to raise a flock of chicks for the freezer, but we just recently got a new ordinance that allows the three laying hens. We couldn't legally have any chickens in the city until this year.
The black one with white spot is probably a barred rock, as another poster suggested. The white with black spots is much smaller than the other chicks, and remains a mystery.