The Shearstown Estuary is a provincially recognized birding destination located in Newfoundland and Labrador, known for its brackish water and diverse avian population. It is a collaborative conservation effort between the towns of Bay Roberts and Spaniards Bay, featuring walking trails and signs that highlight its importance as a breeding ground and staging area for migratory birds. The estuary is a mixture of freshwater from the Shearstown River and saltwater from Spaniard's Bay.