YLL.there is another way you can tell...the tail feathers..if they curl or not.Pickle was born April 9...that makes her ummmm.....5 weeks old?..But N-E ways my art teacher had 3( 2 died 0 but by the time it was 5 weeks it's tail was curling( it's name was Iris..they changed it to Isac(sp?)) i dunno for sure though