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Location Canada, New Brunswick
Central coordinates 64o 55.77' West  47o 21.06' North
IBA criteria A4i
Area 4,400 ha
Altitude 0 - 8m
Year of IBA assessment 2008

Bird Studies Canada/Nature Canada



Site description The Tabusintac lagoon and River Estuary is located on the Acadian Peninsula (NE New Brunswick) approximately 50 km northeast of Chatham, New Brunswick. The 4,382 ha site contains a variety of habitats including estuarine flats, salt marsh, sand dunes and beaches, saline ponds, inshore islands and shoreline black spruce - jack pine forests. The inner bay is protected from the sea by a 15 km long barrier beach and dune system. Within this protected area extensive eel grass beds are found which contribute to the overall productivity of the system, especially for waterfowl. It is typical of other beaches in the region with the dominant plant species being marram grass, beach pea and sea rocket.

Key Biodiversity The Tabusintac beach system is an important breeding site for the globally vulnerable, and nationally endangered Piping Plover. In 1996, 5 pairs were found nesting, along with 2 additional birds. This represented almost 3% of the 1996 Canadian Maritimes population and is thus of national significance. Six pairs were present in 1997. The site has a long history of Piping Plover usage with the average number of individual plovers over the last ten years being 14.5.

In addition to Piping Plovers, the Tabusintac beach system is also extremely important for Common Terns. It supports the second largest colony of common terns in Atlantic Canada. In 1992, 3,700 pairs were recorded and in recent years the population has increased (a recent estimate has not been completed). The 1992 estimate comprises approximately 7.4% of the North American population and is thus of international significance.

The area also has high levels of waterfowl use during spring and fall migration with flocks in excess of 1,000 individuals being present regularly. Waterfowl species often occurring at the site include American Black Duck, Canada Goose, teal, scaup, and Red-breasted Mergansers.

Other ornithological information of note includes a large Great Blue Heron colony in the Covedell Peninsula area, and numerous Osprey nests in the uplands of the Tabusintac Black Lands. Populations of both these species may have declined somewhat in recent years.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Common Tern Sterna hirundo breeding  1996  2,500 breeding pairs  A4i  Least Concern 

Habitats

IUCN habitat Habitat detail Extent (% of site)
Forest Temperate coniferous forest  -
Wetlands (inland) Bogs; Freshwater lakes and pools; Freshwater marshes/swamps; Intertidal mud, sand or salt flats; Salt/brackish marshes; Sand dunes and beaches  -
Sea Open sea  -

Land use

Land-use Extent (% of site)
hunting -
not utilised -
tourism/recreation -

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Tabusintac Lagoon and River Estuary. Downloaded from http://www.birdlife.org on 29/12/2014

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