BirdAnalyst
Family · Passerellidae · Passeriformes

New World Sparrows Population Trends

40 species tracked, ordered by long-term trend. Steepest declines first.

New World Sparrows species ranked by population trend.
History
Saltmarsh SparrowWetland birds-91%1968
Henslow's SparrowGrassland birds-82%1968
Field SparrowForest birds-77%1968
Baird's SparrowGrassland birds-71%1969
Lark BuntingGrassland birds-70%1969
White-throated SparrowForest birds-67%1968
Eastern TowheeForest birds-63%1968
Black-chinned SparrowArid-land birds-61%1970
Seaside SparrowWetland birds-55%1968
Bachman's SparrowForest birds-54%1968
Grasshopper SparrowGrassland birds-52%1968
Savannah SparrowGrassland birds-51%1968
LeConte's SparrowGrassland birds-45%1969
Song SparrowForest birds-38%1968
Bell's SparrowArid-land birds-27%1971
Black-throated SparrowArid-land birds-17%1969
Chipping SparrowForest birds+0%1968
Sagebrush SparrowArid-land birds+0%1970
Canyon TowheeArid-land birds+1%1969
Vesper SparrowGrassland birds+2%1968
Swamp SparrowWetland birds+9%1968
California TowheeArid-land birds+9%1970
Clay-colored SparrowGrassland birds+17%1968
Lark SparrowGrassland birds+42%1968
Cassin's SparrowGrassland birds+61%1969
Rufous-crowned SparrowArid-land birds+101%1969
Yellow-eyed JuncoForest birds+283%1976
Nelson's SparrowWetland birds+297%1970
Botteri's SparrowGrassland birds+317%1971
White-crowned SparrowForest birds+324%1970
Abert's TowheeArid-land birds+330%1971
Green-tailed TowheeForest birds+384%1970
Spotted TowheeForest birds+433%1969
Brewer's SparrowArid-land birds+504%1969
Fox SparrowForest birds+680%1970
Lincoln's SparrowForest birds+774%1968
Olive SparrowForest birds+903%1969
Golden-crowned SparrowForest birds12×1982
American Tree SparrowForest birds93×1977
Rufous-winged SparrowArid-land birdsn/an/a