WhenToBird

Birding spot · Union County, New Jersey

Birding at Slater: What You'll See Each Week

In November, the birds most often reported at Slater are Double-crested Cormorant (89%), American Herring Gull (78%), and Great Black-backed Gull (78%). It is busiest in spring, when 58 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of April (59 species). 137 species have been reported here across 995 complete checklists from 172 birders.

Species by week

0204060Jan 1-7: 36 species on 5%+ of 29 checklistsJan 8-14: 46 species on 5%+ of 37 checklistsJan 15-21: 35 species on 5%+ of 31 checklistsJan 22-31: 38 species on 5%+ of 33 checklistsFeb 1-7: 36 species on 5%+ of 25 checklistsFeb 8-14: 33 species on 5%+ of 31 checklistsFeb 15-21: 31 species on 5%+ of 25 checklistsFeb 22-28: 35 species on 5%+ of 28 checklistsMar 1-7: 42 species on 5%+ of 15 checklistsMar 8-14: 41 species on 5%+ of 18 checklistsMar 15-21: 44 species on 5%+ of 15 checklistsMar 22-31: 48 species on 5%+ of 16 checklistsApr 1-7: 49 species on 5%+ of 52 checklistsApr 8-14: 59 species on 5%+ of 33 checklistsApr 15-21: 45 species on 5%+ of 28 checklistsApr 22-30: low data (9 checklists)May 1-7: low data (5 checklists)May 8-14: low data (3 checklists)May 15-21: low data (6 checklists)May 22-31: 57 species on 5%+ of 29 checklistsJun 1-7: 46 species on 5%+ of 25 checklistsJun 8-14: 43 species on 5%+ of 21 checklistsJun 15-21: 46 species on 5%+ of 22 checklistsJun 22-30: 38 species on 5%+ of 23 checklistsJul 1-7: 42 species on 5%+ of 22 checklistsJul 8-14: 42 species on 5%+ of 22 checklistsJul 15-21: low data (8 checklists)Jul 22-31: 49 species on 5%+ of 30 checklistsAug 1-7: 55 species on 5%+ of 17 checklistsAug 8-14: 46 species on 5%+ of 12 checklistsAug 15-21: 43 species on 5%+ of 11 checklistsAug 22-31: 37 species on 5%+ of 14 checklistsSep 1-7: low data (4 checklists)Sep 8-14: low data (2 checklists)Sep 15-21: low data (3 checklists)Sep 22-30: 57 species on 5%+ of 12 checklistsOct 1-7: low data (6 checklists)Oct 8-14: 59 species on 5%+ of 11 checklistsOct 15-21: low data (7 checklists)Oct 22-31: 51 species on 5%+ of 28 checklistsNov 1-7: 29 species on 5%+ of 64 checklistsNov 8-14: 40 species on 5%+ of 46 checklistsNov 15-21: 35 species on 5%+ of 21 checklistsNov 22-30: 39 species on 5%+ of 29 checklistsDec 1-7: 41 species on 5%+ of 16 checklistsDec 8-14: 36 species on 5%+ of 11 checklistsDec 15-21: low data (9 checklists)Dec 22-31: 39 species on 5%+ of 31 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. 1Double-crested Cormorant89%
  2. 2American Herring Gull78%
  3. 3Great Black-backed Gull78%
  4. 4Ring-billed Gull71%
  5. 5Brant69%
  6. 6Bufflehead67%
  7. 7Horned Grebe62%
  8. 8Brown Booby53%
  9. 9Canada Goose51%
  10. 10Great Blue Heron41%
  11. 11Great Cormorant38%
  12. 12Gadwall35%
  13. 13House Sparrow33%
  14. 14Song Sparrow25%
  15. 15American Black Duck22%

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 37 species

  1. Bufflehead98%
  2. Horned Grebe94%
  3. Double-crested Cormorant88%
  4. Gadwall84%
  5. Ring-billed Gull77%

Spring 58 species

  1. Double-crested Cormorant83%
  2. Bufflehead79%
  3. American Herring Gull72%
  4. Canada Goose70%
  5. Ring-billed Gull68%

Summer 49 species

  1. Double-crested Cormorant91%
  2. American Herring Gull84%
  3. Laughing Gull81%
  4. Great Egret73%
  5. Osprey72%

Fall 50 species

  1. Double-crested Cormorant91%
  2. Great Black-backed Gull79%
  3. American Herring Gull78%
  4. Ring-billed Gull70%
  5. Brant57%

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.