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Field Sparrow
Spizella pusilla

The widespread Field Sparrow is a fairly common migrant and nesting species in Massachusetts; however, as a shrubland breeding bird it seems to be losing ground to succession that is gradually rendering much of its former habitat unacceptable for nesting.
Conservation Status
Continued Action/Monitoring Needed

Tracking This Bird In Massachusetts

Climate Vulnerability Score

Least Vulnerable
Mass Audubon Mean likelihood of occurrence (current)
0.51
Mass Audubon Mean likelihood of occurrence (2050)
0.51
Mass Audubon Absolute change in likelihood of occurrence
0.00
U.S. Forest Service Climate Change Bird Atlas (Hadly Hi emissions scenario)a
2.80
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
542
Atlas II Blocks
525
Percent of state occupied - Atlas I
56
Percent of state occupied - Atlas II
51
Percent change
86

Breeding Bird Survey

Annual trend 1966-2010
-4.8%
P-value
significant, declining
Number of routes
25
Recent trend 2000-2010
-5.8%

Christmas Bird Count

Trend (1963-2008)
-2.1
Significantly different than zero
yes
Trend (1963-1979)
3.2
Significantly different than zero
no
Trend (1979-2008)
-4.7
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

Shrubland

Wintering

Shrubland

Climate Suitability Current and 2050