The Cornell Lab of Ornithology builds the eBird global platform for communities and partners around the world to advance data-driven science, education, and conservation.
分布圖描繪出鳥種分布範圍的邊界，分布是指該鳥種在特定季節中至少出現一週的區域。
在地圖上繪製多邊形或是選擇一個地區以產出摘要表。
