checklist

世界鸟类数据库 Avibase is an extensive database information system about all birds of the world, containing over &1 million records about 10,000 species and 22,000 subspecies of birds, including distribution information for 20,000 regions, taxonomy, synonyms in several languages and more.

滴答清单是一块款可以记录以及规划大小事务帮你高效完成任务和规划时间的清单管理应用软件。你不仅可以使用滴答清单来制定工作计划、设置日程安排、记录备忘事项，还可以使用滴答清单自动添加任务和日期，设置消息提醒。滴答中还拥有跨设备云同步、周期提醒、清单管理、清晰分类等功能 Join millions of people to capture ideas, organize to-dos, and make the most of your life with DIDA. Available for free, syncs across iOS, Android, Mac, Windows, Web and more.

Join millions of people to capture ideas, organize to-dos, and make the most of your life with TickTick. Available for free, syncs across iOS, Android, Mac, Windows, Web and more.