Wildlife rehabilitation for wild birds involves complex welfare decisions about when to intervene, how to minimize stress during treatment, and how to assess fitness for release versus life in captivity.
Wildlife rehabilitation for birds presents genuine ethical complexity because treatment itself causes welfare cost - handling stress, captivity, pain from procedures - balanced against the potential benefit of recovery and release. Good rehabilitation practice minimizes unnecessary handling, provides appropriate environmental conditions that reduce captive stress, and honestly assesses probability of successful release. Keeping non-releasable wild birds in permanent captivity requires facilities and enrichment adequate to the species' behavioral needs - this is often very difficult to achieve for highly mobile or migratory species.