What should I use as a carrier to the vet?

[Ducksandchickens]

I am going to start taking my ducks and chickens to the vet for annual checkups and have been wondering, what do I transport them in? Would a dog carrier work? If you have a good transporter then I would like to know what you use. Pics please!
Thanks in advance!

 

[Broody Bist]

We just use a large cat carrier with a towel in the bottom, so they don't slip. I can't take any pics right now because my aunt is borrowing the carrier, sorry

But yeah, a dog carrier should work.