Birds can lose feathers for a range of reasons but noticing unhealthy moulting is important. Learn more about what can cause bird feather loss here.
The Molting Process in Parrots
Sex and Your Pet Bird - Behavioural Changes During Bird Puberty
Why Is My Bird Losing Feathers Around His Eyes? - Tame Feathers
Is it Plucking, Molting or Over-preening? Why are those Feathers on the Cage Floor? - Windy City Parrot
Why Is Your Budgie Losing Tail Feathers? - Birds Of The Wild
Feather Picking In Pet Birds - Zupreem Pet
Why Does My Bird Keep Plucking Feathers? - Bird Sitting Toronto
What To Do If You've Found An Injured Bird
Armenian Ornithological Society Դեղնագլուխ արքայիկ/Goldcrest
Fatal virus that makes bird feathers fall out could drive extinctions