Birding spot · Morris County, New Jersey
Birding at Great Swamp National Wildlife Refuge: What You'll See Each Week In November, the birds most often reported at Great Swamp National Wildlife Refuge are Canada Goose (82%), Mallard (79%), and American Black Duck (72%). It is busiest in spring, when 76 species turn up on at least 1 in 20 checklists, and species counts peak in early May (92 species). 168 species have been reported here across 2,833 complete checklists from 833 birders.
Species by week 0 20 40 60 80 100 Jan 1-7: 44 species on 5%+ of 59 checklists Jan 8-14: 37 species on 5%+ of 45 checklists Jan 15-21: 36 species on 5%+ of 38 checklists Jan 22-31: 34 species on 5%+ of 42 checklists Feb 1-7: 42 species on 5%+ of 18 checklists Feb 8-14: 42 species on 5%+ of 34 checklists Feb 15-21: 41 species on 5%+ of 38 checklists Feb 22-28: 44 species on 5%+ of 51 checklists Mar 1-7: 43 species on 5%+ of 64 checklists Mar 8-14: 50 species on 5%+ of 83 checklists Mar 15-21: 52 species on 5%+ of 80 checklists Mar 22-31: 58 species on 5%+ of 148 checklists Apr 1-7: 62 species on 5%+ of 94 checklists Apr 8-14: 61 species on 5%+ of 88 checklists Apr 15-21: 58 species on 5%+ of 97 checklists Apr 22-30: 71 species on 5%+ of 117 checklists May 1-7: 92 species on 5%+ of 91 checklists May 8-14: 82 species on 5%+ of 137 checklists May 15-21: 72 species on 5%+ of 86 checklists May 22-31: 65 species on 5%+ of 115 checklists Jun 1-7: 66 species on 5%+ of 63 checklists Jun 8-14: 60 species on 5%+ of 48 checklists Jun 15-21: 59 species on 5%+ of 67 checklists Jun 22-30: 60 species on 5%+ of 45 checklists Jul 1-7: 63 species on 5%+ of 45 checklists Jul 8-14: 62 species on 5%+ of 29 checklists Jul 15-21: 55 species on 5%+ of 32 checklists Jul 22-31: 52 species on 5%+ of 45 checklists Aug 1-7: 49 species on 5%+ of 36 checklists Aug 8-14: 51 species on 5%+ of 31 checklists Aug 15-21: 41 species on 5%+ of 30 checklists Aug 22-31: 52 species on 5%+ of 39 checklists Sep 1-7: 43 species on 5%+ of 27 checklists Sep 8-14: 47 species on 5%+ of 35 checklists Sep 15-21: 52 species on 5%+ of 34 checklists Sep 22-30: 44 species on 5%+ of 38 checklists Oct 1-7: 62 species on 5%+ of 37 checklists Oct 8-14: 56 species on 5%+ of 51 checklists Oct 15-21: 58 species on 5%+ of 57 checklists Oct 22-31: 49 species on 5%+ of 68 checklists Nov 1-7: 58 species on 5%+ of 40 checklists Nov 8-14: 55 species on 5%+ of 39 checklists Nov 15-21: 51 species on 5%+ of 72 checklists Nov 22-30: 50 species on 5%+ of 96 checklists Dec 1-7: 52 species on 5%+ of 35 checklists Dec 8-14: 49 species on 5%+ of 38 checklists Dec 15-21: 47 species on 5%+ of 41 checklists Dec 22-31: 44 species on 5%+ of 90 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 Canada Goose 82% 2 Mallard 79% 3 American Black Duck 72% 4 Red-bellied Woodpecker 69% 5 Blue Jay 67% 6 White-breasted Nuthatch 54% 7 Dark-eyed Junco 51% 8 American Wigeon 46% 9 Northern Pintail 44% 10 Tufted Titmouse 43% 11 Green-winged Teal 42% 12 Bald Eagle 40% 13 Downy Woodpecker 39% 14 Turkey Vulture 36% 15 Northern Flicker 35% 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 New Jersey.
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 .
Canada Goose82%
Mallard79%
American Black Duck72%
Red-bellied Woodpecker69%
Blue Jay67%
White-breasted Nuthatch54%
Dark-eyed Junco51%
American Wigeon46%
Northern Pintail44%
Tufted Titmouse43%
Green-winged Teal42%
Bald Eagle40%
Downy Woodpecker39%
Turkey Vulture36%
Northern Flicker35%