Birds communicate through behavior, and their behavior changes are often subtle and easy to miss. This section covers the situations bird owners find confusing, worrying, or hard to interpret — with the honest context that birds, as prey animals, actively conceal illness until it's advanced. The information here leans toward taking changes seriously.
Silence in a normally chatty bird is one of the most important behavior changes to pay attention to. It can be stress or seasonal — but illness is always the first thing to rule out.
Feather plucking is one of the more distressing things to witness in a pet bird. It has a wide range of causes from medical to psychological — and it's always worth investigating.
A bird that used to be gentle and now bites without warning is usually responding to something — hormones, fear, pain, or a change in how they're being handled.