WhenToBird

Birding spots · California

Best Birding Spots in Humboldt County, California

Arcata Marsh & Wildlife Sanctuary leads Humboldt County's birding spots with 245 species reported, best in fall. 237 spots in the county have enough data to rank.

Species counts are birds reported at least three times in that season at that spot, 2016–2025. Busy spots list more species simply because more people look, so compare the checklist counts. Spot names come from public map data and hotspot listings.

SpotSpeciesChecklistsWinterSpringSummerFall
Arcata Marsh & Wildlife Sanctuary2456,882180185161212
Mad River Slough Wildlife Area2093,10215114486168
Triangle Marsh1941,632153162122140
Clam Beach County Park17269083101102123
Arcata Marsh & Wildlife Sanctuary (northeast)1701,13811513295134
Arcata Marsh & Wildlife Sanctuary (Jacoby Creek)170781119115107138
Buhne Point1671,04811011488133
Arcata Marsh & Wildlife Sanctuary (southwest)15971110810799123
Long Pond15948712110383101
Stone Lagoon157249898563124
Redwood Creek155406949941124
Humboldt Lagoons State Park155230799489105
Mad River County Park153313757694113
Hiller Park Playground and Picnic Area1524528510888119
Mosley Island152241787764124
Palco Marsh1482741077536119
Elk River1476559410388102
Stone Lagoon (McDonald Creek)14721788807587
Liscom Slough1447281087221111
Mad River Fish Hatchery1421,102751279988
Fay Slough Wildlife Area142382101846584
Humboldt Bay National Wildlife Refuge14222094877376
Arcata Marsh & Wildlife Sanctuary (northeast 2)1414211007482106
Woodley Island14138688897292
South Spit Wildlife Area14029196865878
Palmer Creek1397964611610994
Arcata Marsh & Wildlife Sanctuary (west)13939479997995
Arcata Marsh & Wildlife Sanctuary (north)13727271887092
Eel River Wildlife Area13620270557594
Freshwater Farms Reserve135557871027398
Dead Mouse Marsh13418393738677
McKay Community Forest13241285817693
City of Eureka lot132337354185106
Redwood National Park13233079686968
Arcata Marsh & Wildlife Sanctuary (northeast 3)12928792656087
Big Lagoon Park12921172586580
Humboldt Bay National Wildlife Refuge (northeast)1299785685184
Cock Robin Island1299163456695
Dry Lagoon12818863816776
Big Lagoon Wildlife Area12810268242092
Cooper Gulch Park124724487561110
Sue-meg State Park12468471917982
Arcata Marsh & Wildlife Sanctuary (McDaniel Slough)12431496715394
Palco Marsh (northeast)12314283694493
Clam Beach County Park (south)12226255835762
Humboldt Bay National Wildlife Refuge (Jacoby Creek)12217671756864
Freshwater Lagoon12027493281859
Manila Dunes Area of Critical Environmental Concern12018050645955
Humboldt Bay11922880674891
Arcata Marsh & Wildlife Sanctuary (north)11919286163985