Hays Eagles Dad Feather Molt Study 2022 02 24 8:01am

Bald Eagles molt in a long gradual and somewhat continuous process (although most molt of flight feathers occurs late spring to late fall)
​This gradual molt does not impact flight
The ingrowing new feather actually pushes the older feather out.
A molted feather means a replacement is already on its way in. and Eagles molt gradually and not all feathers are molted every year Depending on the feather it takes about 6-8 weeks, some may take longer