Birding spot · Benton County, Oregon
Birding at William L. Finley National Wildlife Refuge: What You'll See Each Week In November, the birds most often reported at William L. Finley National Wildlife Refuge are Mallard (98%), Green-winged Teal (80%), and Northern Pintail (75%). It is busiest in spring, when 103 species turn up on at least 1 in 20 checklists, and species counts peak in late April (102 species). 182 species have been reported here across 1,760 complete checklists from 553 birders.
Species by week 0 25 50 75 100 125 Jan 1-7: 59 species on 5%+ of 34 checklists Jan 8-14: 56 species on 5%+ of 35 checklists Jan 15-21: 58 species on 5%+ of 50 checklists Jan 22-31: 52 species on 5%+ of 45 checklists Feb 1-7: 53 species on 5%+ of 22 checklists Feb 8-14: 49 species on 5%+ of 26 checklists Feb 15-21: 58 species on 5%+ of 36 checklists Feb 22-28: 71 species on 5%+ of 18 checklists Mar 1-7: 52 species on 5%+ of 25 checklists Mar 8-14: 55 species on 5%+ of 23 checklists Mar 15-21: 63 species on 5%+ of 31 checklists Mar 22-31: 69 species on 5%+ of 29 checklists Apr 1-7: 79 species on 5%+ of 47 checklists Apr 8-14: 94 species on 5%+ of 38 checklists Apr 15-21: 99 species on 5%+ of 56 checklists Apr 22-30: 102 species on 5%+ of 56 checklists May 1-7: 101 species on 5%+ of 51 checklists May 8-14: 91 species on 5%+ of 52 checklists May 15-21: 77 species on 5%+ of 29 checklists May 22-31: 86 species on 5%+ of 57 checklists Jun 1-7: 85 species on 5%+ of 47 checklists Jun 8-14: 99 species on 5%+ of 18 checklists Jun 15-21: 88 species on 5%+ of 33 checklists Jun 22-30: 79 species on 5%+ of 27 checklists Jul 1-7: 75 species on 5%+ of 24 checklists Jul 8-14: 89 species on 5%+ of 19 checklists Jul 15-21: 64 species on 5%+ of 21 checklists Jul 22-31: 83 species on 5%+ of 35 checklists Aug 1-7: 99 species on 5%+ of 20 checklists Aug 8-14: 76 species on 5%+ of 31 checklists Aug 15-21: 70 species on 5%+ of 23 checklists Aug 22-31: 85 species on 5%+ of 39 checklists Sep 1-7: 73 species on 5%+ of 49 checklists Sep 8-14: 72 species on 5%+ of 45 checklists Sep 15-21: 75 species on 5%+ of 66 checklists Sep 22-30: 81 species on 5%+ of 68 checklists Oct 1-7: 82 species on 5%+ of 68 checklists Oct 8-14: 82 species on 5%+ of 52 checklists Oct 15-21: 72 species on 5%+ of 45 checklists Oct 22-31: 69 species on 5%+ of 76 checklists Nov 1-7: 74 species on 5%+ of 19 checklists Nov 8-14: 74 species on 5%+ of 27 checklists Nov 15-21: 74 species on 5%+ of 20 checklists Nov 22-30: 57 species on 5%+ of 33 checklists Dec 1-7: 67 species on 5%+ of 20 checklists Dec 8-14: 55 species on 5%+ of 23 checklists Dec 15-21: 57 species on 5%+ of 25 checklists Dec 22-31: 43 species on 5%+ of 27 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 Mallard 98% 2 Green-winged Teal 80% 3 Northern Pintail 75% 4 Canada Goose 73% 5 Cackling Goose 72% 6 Great Blue Heron 71% 7 Song Sparrow 65% 8 Black-capped Chickadee 63% 9 Northern Flicker 60% 10 Tundra Swan 58% 11 Pacific Wren 57% 12 Ring-necked Duck 52% 13 Bewick's Wren 48% 14 American Wigeon 47% 15 Northern Shoveler 45% 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 .
Mallard98%
Green-winged Teal80%
Northern Pintail75%
Canada Goose73%
Cackling Goose72%
Great Blue Heron71%
Song Sparrow65%
Black-capped Chickadee63%
Northern Flicker60%
Tundra Swan58%
Pacific Wren57%
Ring-necked Duck52%
Bewick's Wren48%
American Wigeon47%
Northern Shoveler45%