Corvids - ravens, crows, jays, and magpies - demonstrate exceptional cognitive abilities including tool use, future planning, episodic-like memory, and social learning. Research by Kabadayi, Clayton, and Bugnyar establishes corvid cognition as comparable to great apes on many tasks. Welfare implications are significant: highly intelligent animals have correspondingly complex needs for mental stimulation, social interaction, and behavioural expression. Captive corvids in inadequate environments develop stereotypies and feather-damaging behaviour. Wild corvid management - including lethal control for crop protection - raises ethical questions given their cognitive sophistication. Growing public awareness of corvid intelligence is driving welfare advocacy for better captive standards.