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Mass Audubon State of the Birds

Find Bird Groups

Baltimore Oriole
Icterus galbula

The Baltimore Oriole is nearly ubiquitous in Massachusetts in summer, especially in wooded areas near water, even though the Breeding Bird Survey shows an overall decline in the species over the last 45 years.
Conservation Status
Continued Action/Monitoring Needed

Tracking This Bird In Massachusetts

Climate Vulnerability Score

Likely Vulnerable
Mass Audubon Mean likelihood of occurrence (current)
0.52
Mass Audubon Mean likelihood of occurrence (2050)
0.45
Mass Audubon Absolute change in likelihood of occurrence
-0.07
U.S. Forest Service Climate Change Bird Atlas (Hadly Hi emissions scenario)a
-27.10
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
800
Atlas II Blocks
964
Percent of state occupied - Atlas I
82
Percent of state occupied - Atlas II
92
Percent change
109

Breeding Bird Survey

Annual trend 1966-2010
-2.1%
P-value
significant, declining
Number of routes
27
Recent trend 2000-2010
-1.5%

Christmas Bird Count

Trend (1963-2008)
-2
Significantly different than zero
yes
Trend (1963-1979)
-6
Significantly different than zero
no
Trend (1979-2008)
0
Significantly different than zero
no
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

Urban and Suburban

Climate Suitability Current and 2050