House Finch
Kaveski Farm Conservation Land, Concord, Massachusetts
HOFIKaveski Farm
Purple Finch
Hutchins Farm, Concord, Massachusetts
CanonConcordHutchins FarmPUFI
Swamp Sparrow
ConcordHutchins FarmSWSP
Savannah Sparrow
CanonConcordHutchins Farm
American Tree Sparrow
ATSPCanonConcord
American Titmouse
Silver Hill Road, Concord, Massachusetts
CanonConcordSilver Hill RoadTUTI
White-breasted Nuthatch
CanonConcordSilver Hill RoadWBNU
Downy Woodpecker
CanonConcordDOWOSilver Hill Road
Mourning Dove
CanonConcordMODOSilver Hill Road
Blue-winged Warbler
Massport Land, Bedford, Massachusetts
BWWAConcordHanscomWarbler
Black & White Warbler
Brewster Land, Balls Hill Road, Concord, Massachusetts
BAWWBrewster LandWarbler
Paririe Warbler
ConcordHanscomSpringWarblerpraw
ConcordHansomWarblerpraw
ConcordHanscomNOFISpring
Common Yellow-throat
COYEConcordHansomWarbler
Northern Flickers
American Redstart
AMREBrewster LandWarbler
Blue-grey Natcatcher
BGGNBrewster Land
Eastern Towhee
ConcordEATOHanscom
Field Sparrow
ConcordFISPHansom
Song Sparrow
ConcordHansomSOSP
ConcordHanscomSOSP
Red-tailed Hawk
ConcordHansomRTHA
Common Raven & Red-tailed Hawk
CORAConcordHansomRTHA
Brown Thrasher
BRTHConcordHansom
Palm Warbler
Brewster LandPAWAWarbler
Brewster LandConcordPAWA