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Mass Audubon State of the Birds

Find Bird Groups

Evening Grosbeak
Coccothraustes vespertinus

The Evening Grosbeak, historically a species mainly distributed in the northwestern parts of North America, is increasingly appearing in Massachusetts during the breeding season. Small numbers are now regularly nesting, though they are restricted to the western parts of the state. Despite its increase as a breeding species in the state, staggering declines in its winter distribution are a cause for concern.
Conservation Status
No Action - Strong Increase

Tracking This Bird In Massachusetts

Climate Vulnerability Score

Highly Vulnerable
Mass Audubon Mean likelihood of occurrence (current)
0.40
Mass Audubon Mean likelihood of occurrence (2050)
0.02
Mass Audubon Absolute change in likelihood of occurrence
-0.38
U.S. Forest Service Climate Change Bird Atlas (Hadly Hi emissions scenario)a
-0.30
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
1
Atlas II Blocks
62
Percent of state occupied - Atlas I
0
Percent of state occupied - Atlas II
5
Percent change
4000

Breeding Bird Survey

Annual trend 1966-2010
10.4%
P-value
not significant
Number of routes
4
Recent trend 2000-2010
7.5%

Christmas Bird Count

Trend (1963-2008)
-22
Significantly different than zero
yes
Trend (1963-1979)
4
Significantly different than zero
no
Trend (1979-2008)
-36
Significantly different than zero
yes
Christmas Bird Count Sightings By Year
Data reflects sightings per person per hour in order to account for varying numbers of yearly volunteers.

Habitat Usage

Breeding

Forest

Wintering

Forest, Urban and Suburban

Climate Suitability Current and 2050