F121 is a female gyrfalcon the offspring of Ethel and Boris from 2021. If you look at Ethel and Boris they look to be grey birds but this pair have thrown miltiple white chicks in the past. She is a chamber raised bird and is strikingly beautifull. Bob is a caprive bred male from 2012 and was flown as a falconry bird for many years. He is a good size gyrkin with the fastest feet I have ever seen on a gyr