Grey partridge populations have declined by 91% since 1970 due to agricultural intensification, with welfare and conservation requiring fundamental changes in farming practices.
Grey partridge chicks die from starvation in agricultural landscapes depleted of invertebrates by pesticide use. Adults in cereal monocultures without headland structure face nutritional and shelter deficits throughout the year. The 91% population decline represents hundreds of millions of individual welfare events - birds that failed to breed, chicks that starved, adults that died from poor winter condition. Reversing this decline requires agricultural policy change that improves the landscape welfare of all farmland birds.