Great cormorants and other fish-eating birds face population control measures driven by fisheries conflicts, with significant welfare implications for individual birds and population dynamics.
Cormorant management sits at the intersection of legitimate economic interests, conservation values, and individual animal welfare. The welfare case against lethal cormorant control does not deny that cormorants cause real damage to aquaculture operations and recreational fisheries — it argues that non-lethal management alternatives should be exhausted before lethal control is permitted, and that when lethal control is necessary it should be targeted, humane, and proportionate. The social intelligence of cormorants means that colony disruption through lethal control causes welfare effects beyond the individuals killed, as neighboring nesting birds respond to disturbance. Non-lethal deterrence — when consistently implemented and maintained — can achieve effective exclusion of cormorants from sensitive areas without welfare costs. The welfare policy position advocates for investing in effective deterrence infrastructure rather than relying on lethal control that must be repeated annually as cormorant populations re-establish.