Great spotted woodpeckers have successfully adapted to garden environments, but welfare threats from cat predation, glass strikes, and pesticide use affect urban populations.
Garden-adapted great spotted woodpeckers face welfare threats primarily from human-associated factors. Collisions with house windows cause traumatic head and neck injuries, with many birds dying immediately or shortly after impact. Cat predation of woodpeckers foraging on the ground around bird feeders is a significant mortality cause. Pesticide use in gardens reduces invertebrate prey including the beetle larvae that woodpeckers excavate from dead wood. Inappropriate bird food including mouldy or contaminated seed causes disease in birds visiting feeders. The welfare of garden birds is within the direct influence of householders, making simple garden management changes — window stickers, feeders positioned safely, pesticide avoidance — directly welfare protective.