they have a brick in cheers. sorry i have dislexia. i got the birds on sunday they were paired up for 2 or 3 days. i got four pair i did not take pairs i split the pairs to get my 4 pair. due to the pigeon lung i dont keep them in a loft i had a double 8foot cage made that houses the four pair. i dont just want to put a hen in in case the cock does it in lol