BirdAnalyst
BBS Route · Oregon · BCR 9

Three Forks Bird Survey Route

A standard 50-stop Breeding Bird Survey route. 81 species recorded across 19 survey years, still active.

81Species Recorded
19Years Surveyed
2003–2024Span
3Observers

Bird Species Found on Oregon Three Forks

Top 40 of 81 species by most recent count. Each links to its species trend.

Species recorded on the Three Forks route.
History
Horned LarkAlaudidae1322024+15%2005
Western MeadowlarkIcteridae1202024-5%2005
Brewer's SparrowPasserellidae342024+130%2005
Lark SparrowPasserellidae142024+164%2006
Greater Sage-GrousePhasianidae112024+23%2018
Rock WrenTroglodytidae102024-19%2005
Eared GrebePodicipedidae102011n/an/a
Yellow-breasted ChatIcteriidae82021+175%2005
MallardAnatidae72017-81%2009
Brewer's BlackbirdIcteridae62024+33%2005
Violet-green SwallowHirundinidae62018+29%2007
Mourning DoveColumbidae52024-64%2005
SoraRallidae52011n/an/a
Common RavenCorvidae42024+4%2005
Vesper SparrowPasserellidae42024+55%2005
Sage ThrasherMimidae32024+45%2005
California QuailOdontophoridae32021-33%2006
Western Wood-PeweeTyrannidae32004n/an/a
Yellow WarblerParulidae32021+125%2006
Long-billed CurlewScolopacidae32019+100%2011
ChukarPhasianidae22024-89%2005
Say's PhoebeTyrannidae22018+50%2006
Northern Rough-winged SwallowHirundinidae22015-50%2006
GadwallAnatidae22024+60%2006
Northern PintailAnatidae22024-61%2006
American AvocetRecurvirostridae22016-43%2006
Lazuli BuntingCardinalidae22019+33%2007
Sandhill CraneGruidae22024+0%2012
Wilson's SnipeScolopacidae22005n/an/a
WilletScolopacidae22021+0%2008
Swainson's HawkAccipitridae22005n/an/a
Savannah SparrowPasserellidae22016+0%2008
Sagebrush SparrowPasserellidae22013+20%2007
Northern HarrierAccipitridae22024+100%2010
Prairie FalconFalconidae22024-69%2008
Spotted TowheePasserellidae22006n/an/a
Barn SwallowHirundinidae22006n/an/a
Short-eared OwlStrigidae22016-33%2009
Canada GooseAnatidae22011n/an/a
Ferruginous HawkAccipitridae22021+100%2015

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