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Find a Bird

Mourning Warbler
Oporornis philadelphia

The Mourning Warbler, a state-listed Species of Special Concern, is a rare, local, and restricted breeder in northwestern Massachusetts. Its numbers seem to be increasing slightly where appropriate brushy forest opeings occur at high elevations.
Conservation Status
Monitor to Ensure Stability

Tracking This Bird In Massachusetts

Climate Vulnerability Score

Highly Vulnerable
Mass Audubon Mean likelihood of occurrence (current)
0.44
Mass Audubon Mean likelihood of occurrence (2050)
0.13
Mass Audubon Absolute change in likelihood of occurrence
-0.31
U.S. Forest Service Climate Change Bird Atlas (Hadly Hi emissions scenario)a
-0.80
National Audubon Societyb
Climate Threatened
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
11
Atlas II Blocks
29
Percent of state occupied - Atlas I
1
Percent of state occupied - Atlas II
3
Percent change
218

Breeding Bird Survey

Annual trend 1966-2010
-1.4%
P-value
not significant
Number of routes
4
Recent trend 2000-2010
-0.5%

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

Shrubland

Wintering

Does not winter in Massachusetts

Climate Suitability Current and 2050