I have gotten all kinds of animals shipped to me and I have started shipping ducks and geese this year. I have shipped them with a package of frozen cooked vegetables so that there is some built in moisture. But, I got chicks this morning and they were shipped with apple. I've also gotten geese shipped with lettuce.
I've actually shipped two sets of birds to two locations that were supposed to be TWO DAY Express Mail, but the post office, in both instances, went that extra mile to get them there in one day. Upstate NY, it was a small enough community that they know one another, so one post office called another one to advise that birds were coming and an employee actually personally drove the birds to a few towns over to get them there in one day. I'd sure love to call and thank those people for being so kind!
Be sure to write phone numbers on the box communicate with everyone well and you should have good results. Also, watch the weather reports and avoid shipping during heat waves.