The large mouth with Pipa is a common feature of spoonbill birds, while the black-faced Spoonbill is the smallest of the six species of Spoonbill. The black-faced Spoonbill looks very much like a mixed white spoonbill, compared with the white Spoonbill, the black-eyed Spoonbill is slightly smaller, the face of dark bare skin extends to the rear of the eye. During the breeding period, the crown plume of the black-faced spoonbill and the feathers on the chest had obvious yellow.