🐦 Since 1970, chimney swift populations have declined by 90%. Once nesting in hollow trees, chimney swifts adapted to city life — raising their young in chimneys after forests were cleared. But as old chimneys disappear and insect populations decline, these agile flyers are losing both homes and food. Their story shows how even resilient species can struggle when habitats — and the species they depend on — vanish. Learn more in our #LPRC2025: wwf.ca/lprc2025 | WWF-Canada