Like many water birds, wild geese depend on the riparian vegetation for shelter and live on food from the water, but development is causing much of the habitat of fish, shrimps, aquatic insects and plants to disappear.
雁鴨和許多水鳥一樣，仰賴岸邊植物掩護棲息，需要水中生物維生；但人為的開發，許多原來適合魚、蝦、水生昆蟲、植物生存的環境已消失。