WhenToBird

Birding spot · Hunterdon County, New Jersey

Birding at Round Valley Recreation Area: What You'll See Each Week

In November, the birds most often reported at Round Valley Recreation Area are Canada Goose (84%), Ring-billed Gull (83%), and Bufflehead (83%). It is busiest in spring, when 102 species turn up on at least 1 in 20 checklists, and species counts peak in mid September (105 species). 223 species have been reported here across 3,877 complete checklists from 489 birders.

Species by week

0255075100125Jan 1-7: 70 species on 5%+ of 188 checklistsJan 8-14: 71 species on 5%+ of 171 checklistsJan 15-21: 68 species on 5%+ of 141 checklistsJan 22-31: 70 species on 5%+ of 207 checklistsFeb 1-7: 67 species on 5%+ of 123 checklistsFeb 8-14: 70 species on 5%+ of 101 checklistsFeb 15-21: 68 species on 5%+ of 136 checklistsFeb 22-28: 77 species on 5%+ of 142 checklistsMar 1-7: 78 species on 5%+ of 93 checklistsMar 8-14: 73 species on 5%+ of 88 checklistsMar 15-21: 79 species on 5%+ of 122 checklistsMar 22-31: 81 species on 5%+ of 96 checklistsApr 1-7: 86 species on 5%+ of 71 checklistsApr 8-14: 91 species on 5%+ of 63 checklistsApr 15-21: 83 species on 5%+ of 64 checklistsApr 22-30: 92 species on 5%+ of 69 checklistsMay 1-7: 102 species on 5%+ of 64 checklistsMay 8-14: 81 species on 5%+ of 41 checklistsMay 15-21: 93 species on 5%+ of 50 checklistsMay 22-31: 86 species on 5%+ of 34 checklistsJun 1-7: 73 species on 5%+ of 30 checklistsJun 8-14: 82 species on 5%+ of 51 checklistsJun 15-21: 85 species on 5%+ of 15 checklistsJun 22-30: 82 species on 5%+ of 19 checklistsJul 1-7: 84 species on 5%+ of 19 checklistsJul 8-14: 70 species on 5%+ of 11 checklistsJul 15-21: 77 species on 5%+ of 13 checklistsJul 22-31: 80 species on 5%+ of 17 checklistsAug 1-7: 84 species on 5%+ of 17 checklistsAug 8-14: 84 species on 5%+ of 19 checklistsAug 15-21: 70 species on 5%+ of 21 checklistsAug 22-31: 75 species on 5%+ of 31 checklistsSep 1-7: 99 species on 5%+ of 33 checklistsSep 8-14: 86 species on 5%+ of 18 checklistsSep 15-21: 105 species on 5%+ of 40 checklistsSep 22-30: 96 species on 5%+ of 50 checklistsOct 1-7: 101 species on 5%+ of 68 checklistsOct 8-14: 95 species on 5%+ of 71 checklistsOct 15-21: 95 species on 5%+ of 104 checklistsOct 22-31: 90 species on 5%+ of 186 checklistsNov 1-7: 98 species on 5%+ of 117 checklistsNov 8-14: 86 species on 5%+ of 126 checklistsNov 15-21: 86 species on 5%+ of 170 checklistsNov 22-30: 86 species on 5%+ of 157 checklistsDec 1-7: 86 species on 5%+ of 110 checklistsDec 8-14: 77 species on 5%+ of 94 checklistsDec 15-21: 76 species on 5%+ of 76 checklistsDec 22-31: 70 species on 5%+ of 130 checklistsJanFebMarAprMayJunJulAugSepOctNovDec
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. 1Canada Goose84%
  2. 2Ring-billed Gull83%
  3. 3Bufflehead83%
  4. 4Mallard82%
  5. 5American Crow81%
  6. 6Song Sparrow74%
  7. 7White-throated Sparrow73%
  8. 8Blue Jay72%
  9. 9Dark-eyed Junco68%
  10. 10Lesser Scaup65%
  11. 11Turkey Vulture64%
  12. 12Carolina Wren62%
  13. 13American Goldfinch59%
  14. 14Ring-necked Duck59%
  15. 15Downy Woodpecker56%

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

Winter 76 species

  1. Bufflehead94%
  2. Ring-billed Gull87%
  3. American Crow79%
  4. Mallard78%
  5. Canada Goose75%

Spring 102 species

  1. American Crow80%
  2. Bufflehead76%
  3. Song Sparrow69%
  4. Northern Cardinal67%
  5. Blue Jay65%

Summer 81 species

  1. Gray Catbird84%
  2. American Goldfinch79%
  3. American Crow76%
  4. Song Sparrow74%
  5. Blue Jay70%

Fall 95 species

  1. Ring-billed Gull84%
  2. American Crow82%
  3. Mallard78%
  4. Canada Goose77%
  5. Blue Jay77%

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.