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Monarch caterpillar

Mass Audubon State of the Birds

Find Bird Groups

Blue-headed Vireo
Vireo solitarius

The increase of maturing mixed forests in central and western parts of Massachusetts has allowed the Blue-headed Vireo to increase in numbers. It is now a fairly widespread breeder in the state.
Conservation Status
No Action: Likely Increase

Tracking This Bird In Massachusetts

Climate Vulnerability Score

Highly Vulnerable
Mass Audubon Mean likelihood of occurrence (current)
0.52
Mass Audubon Mean likelihood of occurrence (2050)
0.14
Mass Audubon Absolute change in likelihood of occurrence
-0.37
U.S. Forest Service Climate Change Bird Atlas (Hadly Hi emissions scenario)a
-9.60
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
228
Atlas II Blocks
451
Percent of state occupied - Atlas I
23
Percent of state occupied - Atlas II
43
Percent change
172

Breeding Bird Survey

Annual trend 1966-2010
3.5%
P-value
significant, increasing
Number of routes
17
Recent trend 2000-2010
4.2%

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

Forest

Wintering

Does not winter in Massachusetts

Climate Suitability Current and 2050