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Mass Audubon State of the Birds

Find Bird Groups

Least Flycatcher
Empidonax minimus

The Breeding Bird Atlas and Breeding Bird Survey data reveal conflicting messages about the status of the Least Flycatcher in Massachusetts. With a distinctive call and relatively conspicuous presence, it is fairly widespread as a breeder in the state.
Conservation Status
Continued Action/Monitoring Needed

Tracking This Bird In Massachusetts

Climate Vulnerability Score

Highly Vulnerable
Mass Audubon Mean likelihood of occurrence (current)
0.53
Mass Audubon Mean likelihood of occurrence (2050)
0.18
Mass Audubon Absolute change in likelihood of occurrence
-0.35
U.S. Forest Service Climate Change Bird Atlas (Hadly Hi emissions scenario)a
-16.20
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
387
Atlas II Blocks
415
Percent of state occupied - Atlas I
39
Percent of state occupied - Atlas II
40
Percent change
92

Breeding Bird Survey

Annual trend 1966-2010
-3.2%
P-value
significant, declining
Number of routes
22
Recent trend 2000-2010
-2.3%

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, Shrubland

Wintering

Does not winter in Massachusetts

Climate Suitability Current and 2050