Research into chicken cognition has revealed sophisticated mental abilities that fundamentally challenge the idea that these birds are simple, unfeeling animals.
The cognitive evidence for chicken sophistication has accumulated rapidly over the past two decades, reshaping how welfare scientists view the moral status of farmed poultry. A species that demonstrates empathy, numerical cognition, social deception and emotional complexity is not a simple input-output machine that can be warehoused without moral consideration. The gap between what we know about chicken cognition and the conditions in which 70 billion chickens are raised each year is perhaps the most striking ethical inconsistency in modern animal agriculture.