Peregrine Falcon Athena SCREAMS / in the process of molting / ULTRASOUND 

Falcon #Birds Of Prey #Animals
Not to molting Falcon peregrine Falcon, looking at the back you can see both new feathers (gray) and old (beige). The change of primary flight feathers in old falcons begins at the time when the Chicks in the nest are in the second downy outfit.Molting begins in mid-July, ends in December.