The highlight at those times , is the chance of seeing rare birds such as the spoon - billed sandpiper , spotted greenshank , asiatic dowitcher and grey - tailed tattler 在候鸟到港的高峰期，更可一睹难得一见的勺咀鹬小青脚鹬半蹼鹬及灰尾鹬等雀鸟。
2.
Some 300 species of birds have been observed in this area , many of which are considered globally threatened and endangered , such as the black - faced spoonbill , oriental stork , nordmann s greenshank and saunders gull 区内鸟类约有300种，其中如黑脸琵鹭、东方白鹳、小青脚鹬、黑咀鸥等更是全球受威胁或濒危物种。
3.
The mai po is an area where migrating birds rest after long and difficult journeys . spring and autumn are the best seasons for bird watching as some 20 , 000 to 30 , 000 shorebirds , including species such as the threatened spoon - billed sandpiper , spotted greenshank and asiatic dowitcher , stop over in deep bay during migration 每逢春秋两季雀鸟迁徙期间，均有二至三万只禽鸟在后海湾栖息，包括面临绝种威胁的勺咀鹬、小青脚鹬及半蹼鹬，所以春秋两季是观鸟的最佳时候。
