1, Pearl-necked turtledove: Also known as Pearl-necked turtledove and Pearl-necked turtledove, it is a small wild pigeon, mainly distributed in East Asia, and their calls are soft, similar to the sound of "mourning".
2. Red-billed mountain pigeon: also known as red-billed pigeon and mountain pigeon, it is a common wild pigeon, distributed in southern China and Southeast Asia. Their calls are crisp, similar to the sound of "dong, dong".
3. Turtledove: also known as colorful pigeon, bamboo pigeon and flower pigeon, it is a medium-sized wild pigeon, distributed in Asia and Europe, and their calls are relatively low, similar to the sound of "goo, goo".