Shenzhen Mangrove Nature Reserve is a mangrove Bird Nature Reserve located at the Shenzhen estuary on the North East Bank of Shenzhen Bay. Mangrove Nature Reserve is a nature reserve established to protect mangroves. Mangrove is an evergreen shrub and small tree community unique to tropical and subtropical bays and estuarine mudflats. Mangroves have breathing roots or pillar roots. Seeds can sprout in the fruits of trees and grow into seedlings, and then leave the mother plant and fall into the mud to develop and grow.