On a single situation I observed two within the youthful bird aviary which ended up poorly plucked. Greg Moss instructed me which they were being sisters. 1 morning quite a few weeks Earlier, after a cold night, both equally simultaneously taken out their breast feathers, leaving just the down. Magazine https://amazon-parrot-breeders-ne42963.dbblog.net/12508397/the-2-minute-rule-for-amazon-parrots-wales