BirdAnalyst
BBS Route · Minnesota · BCR 11

Grygla Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 119 species recorded across 37 survey years, still active.

119Species RecordedSpecies recordedDistinct species detected on standard-protocol BBS runs here across all years on record — a measure of survey breadth, not a complete checklist.Full methodology →
37Years SurveyedYears surveyedNumber of years with at least one standard-protocol run in this geography. A longer record makes the trend more reliable.Full methodology →
1976–2017Span
6Observers

Bird Species Found on Minnesota Grygla

Top 40 of 119 species by most recent count. Each links to its species trend.

Species recorded on the Grygla route.
Recent countThe raw number of individuals recorded on this route in its most recent survey year. A single-route tally, not a trend.Full methodology →TrendPercent change in the route-weighted abundance index between a smoothed baseline window and the most recent one. It tracks direction, not absolute population.Full methodology →Baseline yearThe first year of the smoothed window the trend is measured from. An earlier baseline means a longer record stands behind the number.Full methodology →History
Savannah SparrowPasserellidae982017+41%1978
Red-winged BlackbirdIcteridae552017-48%1978
American CrowCorvidae512017+19%1978
Common YellowthroatParulidae422017+68%1978
Western MeadowlarkIcteridae352017-50%1978
Clay-colored SparrowPasserellidae212017+44%1978
Song SparrowPasserellidae212017+74%1978
Horned LarkAlaudidae172017+4%1978
Franklin's GullLaridae162015-30%1978
Marbled GodwitScolopacidae152016+122%1978
American RobinTurdidae142017+19%1978
Sedge WrenTroglodytidae132017+220%1978
Vesper SparrowPasserellidae122017+375%1979
Sandhill CraneGruidae112017-16%1978
BobolinkIcteridae112017-43%1978
American GoldfinchFringillidae112017+0%1978
Mourning DoveColumbidae92017-58%1978
Rock PigeonColumbidae92016-6%1986
KilldeerCharadriidae82017+0%1978
European StarlingSturnidae82016+282%1978
Brewer's BlackbirdIcteridae72017+17%1978
LeConte's SparrowPasserellidae72017+186%1982
Cliff SwallowHirundinidae72015-34%1978
Red-eyed VireoVireonidae72017+483%1978
Black TernLaridae72003+250%1980
Barn SwallowHirundinidae62017-53%1978
VeeryTurdidae62017+91%1978
Grasshopper SparrowPasserellidae61996+83%1980
Yellow-headed BlackbirdIcteridae52016-85%1978
Black-billed MagpieCorvidae52017+300%1981
Canada GooseAnatidae42016+104%1981
Wilson's SnipeScolopacidae42016+33%1979
Short-eared OwlStrigidae42011+300%1990
Sharp-tailed GrousePhasianidae32017+0%1978
Eastern KingbirdTyrannidae32017+29%1978
Eastern Wood-PeweeTyrannidae32015+100%1981
Brown-headed CowbirdIcteridae32017-71%1978
Yellow WarblerParulidae32017+53%1978
Least FlycatcherTyrannidae32017+29%1979
American BitternArdeidae32011-46%1983

Source: USGS North American Breeding Bird Survey, retrieved 2026-05-22. A route is a sample, not a census.