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Monarch caterpillar

Common Raven
Corvus corax

After being driven out of Massachusetts shortly after the arrival of Europeans, the Common Raven has since re-colonized the state from the north and west and is spreading rapidly, though it remains somewhat restricted in distribution. Interestingly, the proliferation of cell towers seems to be providing these resourceful birds with acceptable nesting platforms.

Conservation Status
No Action - Strong Increase

Tracking This Bird In Massachusetts

Climate Vulnerability Score

Highly Vulnerable
Mass Audubon Mean likelihood of occurrence (current)
0.54
Mass Audubon Mean likelihood of occurrence (2050)
0.21
Mass Audubon Absolute change in likelihood of occurrence
-0.33
U.S. Forest Service Climate Change Bird Atlas (Hadly Hi emissions scenario)a
n/a
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
5
Atlas II Blocks
327
Percent of state occupied - Atlas I
0
Percent of state occupied - Atlas II
31
Percent change
5120

Breeding Bird Survey

Annual trend 1966-2010
13.4%
P-value
not significant
Number of routes
10
Recent trend 2000-2010
11.1%

Christmas Bird Count

Trend (1963-2008)
16
Significantly different than zero
yes
Trend (1963-1979)
0
Significantly different than zero
Trend (1979-2008)
13
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, Urban and Suburban

Wintering

Forest, Urban and Suburban

Climate Suitability Current and 2050