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Location Canada, New Brunswick
Central coordinates 64o 31.17' West  45o 49.26' North
IBA criteria A4i, A4iii
Area 5,200 ha
Altitude 0 - 5m
Year of IBA assessment 2008

Bird Studies Canada/Nature Canada

Site description Dorchester Cape is a rocky cape that extends into the bay, and Grand Anse is an area of sand and gravel beaches situated along the eastern coast of Shepody Bay, in eastern New Brunswick. It is adjoined by a large ledge of intertidal mud flats, known as Bucks Flats. Grand Anse is within the town of Johnsons Mills. One of the characteristic features of the shorelines of the Bay of Fundy, such as this, are the macro-tides ranging from 10 15 m, the highest in the world. Low tide exposes vast mud flats at this site, which extend at least 2 km seaward, providing a huge open area for shorebirds to forage for abundant invertebrates. The land adjacent to the flats is poor and infertile and thus does not support agriculture.

Populations of IBA trigger species

Species Season Period Population estimate Quality of estimate IBA Criteria IUCN Category
Semipalmated Sandpiper Calidris pusilla passage  1995  400,000 individuals  A4i  Near Threatened 
A4iii Species group - waterbirds passage  1995  100,000-499,999 individuals  unknown  A4iii   

Protected areas

Protected area Designation Area (ha) Relationship with IBA Overlap with IBA (ha)  
Shepody Bay Wetlands of International Importance (Ramsar) 12,200 protected area contains site 5,200  


IUCN habitat Habitat detail Extent (% of site)
Wetlands (inland) Estuarine waters; Intertidal mud, sand or salt flats  80%
Sea Sea inlets  20%

Land use

Land-use Extent (% of site)
nature conservation and research major
forestry minor
tourism/recreation minor

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Recommended citation  BirdLife International (2014) Important Bird Areas factsheet: Dorchester Cape and Grand Anse. Downloaded from on 23/10/2014

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