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Find a Bird

Roseate Tern
Sterna dougallii

Massachusetts hosts a major percentage of the breeding population of the Roseate Tern in the Western Hemisphere. Due to the size of its population and the limited number of known breeding sites, the Roseate Tern is listed as a federally Endangered species with a very restricted breeding range in Massachusetts.
Conservation Status
Conservation Action Urgent

Tracking This Bird In Massachusetts

Climate Vulnerability Score

Highly Vulnerable
Mass Audubon Mean likelihood of occurrence (current)
0.14
Mass Audubon Mean likelihood of occurrence (2050)
0.07
Mass Audubon Absolute change in likelihood of occurrence
-0.08
U.S. Forest Service Climate Change Bird Atlas (Hadly Hi emissions scenario)a
n/a
National Audubon Societyb
n/a
a USFS model data for Massachusetts by 2100
b National Audubon Society's Climate Change Atlas was completed on a continental scale.

Breeding Bird Atlas

Atlas I Blocks
12
Atlas II Blocks
10
Percent of state occupied - Atlas I
1
Percent of state occupied - Atlas II
1
Percent change
75

Breeding Bird Survey

Annual trend 1966-2010
P-value
Number of routes
Recent trend 2000-2010

Christmas Bird Count

Trend (1963-2008)
0
Significantly different than zero
Trend (1963-1979)
0
Significantly different than zero
Trend (1979-2008)
0
Significantly different than zero

Habitat Usage

Breeding

Coastal

Wintering

Does not winter in Massachusetts

Climate Suitability Current and 2050