Birding spot · Washington County, Oregon
Birding at Tualatin River National Wildlife Refuge (Rock Creek): What You'll See Each Week In November, the birds most often reported at Tualatin River National Wildlife Refuge (Rock Creek) are Northern Pintail (85%), Cackling Goose (74%), and Great Blue Heron (74%). It is busiest in spring, when 93 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (94 species). 188 species have been reported here across 3,376 complete checklists from 1,312 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 51 species on 5%+ of 36 checklists Jan 8-14: 57 species on 5%+ of 48 checklists Jan 15-21: 59 species on 5%+ of 34 checklists Jan 22-31: 56 species on 5%+ of 57 checklists Feb 1-7: 59 species on 5%+ of 27 checklists Feb 8-14: 63 species on 5%+ of 37 checklists Feb 15-21: 55 species on 5%+ of 30 checklists Feb 22-28: 68 species on 5%+ of 30 checklists Mar 1-7: 64 species on 5%+ of 38 checklists Mar 8-14: 62 species on 5%+ of 41 checklists Mar 15-21: 65 species on 5%+ of 44 checklists Mar 22-31: 68 species on 5%+ of 64 checklists Apr 1-7: 90 species on 5%+ of 36 checklists Apr 8-14: 82 species on 5%+ of 54 checklists Apr 15-21: 84 species on 5%+ of 54 checklists Apr 22-30: 86 species on 5%+ of 81 checklists May 1-7: 90 species on 5%+ of 117 checklists May 8-14: 84 species on 5%+ of 143 checklists May 15-21: 94 species on 5%+ of 119 checklists May 22-31: 85 species on 5%+ of 199 checklists Jun 1-7: 84 species on 5%+ of 95 checklists Jun 8-14: 82 species on 5%+ of 95 checklists Jun 15-21: 78 species on 5%+ of 81 checklists Jun 22-30: 80 species on 5%+ of 99 checklists Jul 1-7: 89 species on 5%+ of 89 checklists Jul 8-14: 85 species on 5%+ of 77 checklists Jul 15-21: 87 species on 5%+ of 110 checklists Jul 22-31: 86 species on 5%+ of 134 checklists Aug 1-7: 87 species on 5%+ of 100 checklists Aug 8-14: 81 species on 5%+ of 87 checklists Aug 15-21: 81 species on 5%+ of 59 checklists Aug 22-31: 76 species on 5%+ of 162 checklists Sep 1-7: 76 species on 5%+ of 153 checklists Sep 8-14: 73 species on 5%+ of 87 checklists Sep 15-21: 83 species on 5%+ of 88 checklists Sep 22-30: 79 species on 5%+ of 113 checklists Oct 1-7: 78 species on 5%+ of 39 checklists Oct 8-14: 63 species on 5%+ of 42 checklists Oct 15-21: 61 species on 5%+ of 22 checklists Oct 22-31: 69 species on 5%+ of 55 checklists Nov 1-7: 71 species on 5%+ of 20 checklists Nov 8-14: 58 species on 5%+ of 43 checklists Nov 15-21: 71 species on 5%+ of 20 checklists Nov 22-30: 63 species on 5%+ of 53 checklists Dec 1-7: 61 species on 5%+ of 34 checklists Dec 8-14: 54 species on 5%+ of 25 checklists Dec 15-21: 58 species on 5%+ of 40 checklists Dec 22-31: 61 species on 5%+ of 65 checklists Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Number of species reported on at least 5% of complete checklists, by week (4 per month). Grey bars: fewer than 10 checklists, not counted. In November: what to expect 1 Northern Pintail 85% 2 Cackling Goose 74% 3 Great Blue Heron 74% 4 Black-capped Chickadee 72% 5 Dark-eyed Junco 71% 6 Canada Goose 71% 7 Bald Eagle 70% 8 Mallard 68% 9 California Scrub-Jay 63% 10 American Robin 59% 11 Song Sparrow 59% 12 Great Egret 56% 13 Northern Flicker 56% 14 American Wigeon 54% 15 Northern Shoveler 54% Share of complete checklists at this spot that reported the bird in November. The sparkline is the whole year, with this month highlighted.
Season by season Specialties Birds reported far more often here than across Oregon.
Nearby spots Frequency is the share of complete checklists at this location that listed the bird, 2016–2025. Busy places report more of everything, and the weekly chart counts species on at least 5% of checklists so a few stray reports do not inflate it. How to read it .
Northern Pintail85%
Cackling Goose74%
Great Blue Heron74%
Black-capped Chickadee72%
Dark-eyed Junco71%
Canada Goose71%
Bald Eagle70%
Mallard68%
California Scrub-Jay63%
American Robin59%
Song Sparrow59%
Great Egret56%
Northern Flicker56%
American Wigeon54%
Northern Shoveler54%