Wild bird populations have declined dramatically in recent decades due to human activities — addressing these threats requires understanding both conservation and individual welfare dimensions.
Wild bird welfare is affected by human activities at every scale — from individual windows that kill birds through glass collision to broad-scale pesticide use that eliminates insect prey across landscapes. Each bird killed by a window strike, cat predation, or pesticide poisoning is an individual animal experiencing acute trauma or death. The aggregate welfare harm across billions of birds annually is staggering. The solutions span equally across scales: individual actions like bird-safe window treatments and keeping cats indoors; community actions like urban tree planting and reduced pesticide use; and policy actions like pesticide regulation and habitat protection legislation. Bird welfare improvement and conservation benefit from exactly the same interventions.