eBird

eBird是全球最大的鸟类观测数据库，由康奈尔鸟类学实验室创建。该平台收集来自世界各地的鸟类观测数据，提供鸟类分布图、热点位置和物种信息。用户可以分享自己的观测记录，参与科学研究，并帮助鸟类保护决策。所有数据免费开放，支持多语言访问。

eBird is the world's largest bird observation database, founded by the Cornell Lab of Ornithology. The platform collects bird observation data from across the globe, providing bird distribution maps, hotspot locations and species information. Users can share their own observation records, participate in scientific research, and aid in bird conservation decision-making. All data are freely accessible and support multi-language access.