Pet birds from finches to large parrots have complex needs frequently unmet in domestic settings; welfare improvement requires species-specific housing, social provision, and enrichment.
Companion bird welfare spans enormous diversity — from finches that need flight space and conspecific companionship to large parrots requiring decades of cognitive stimulation. Common welfare failures include cages too small for flight, isolation of social species, and inadequate diet. The relative silence of bird stress responses compared to dogs or cats means welfare problems go unnoticed longer. Species-appropriate care requires research before acquisition and sustained commitment throughout potentially long lifespans.