WhenToBird

Birding spot · Philadelphia County, Pennsylvania

Birding at John Heinz National Wildlife Refuge at Tinicum: What You'll See Each Week

In November, the birds most often reported at John Heinz National Wildlife Refuge at Tinicum are Canada Goose (94%), Mallard (93%), and White-throated Sparrow (84%). It is busiest in spring, when 121 species turn up on at least 1 in 20 checklists, and species counts peak in the second week of May (108 species). 252 species have been reported here across 18,127 complete checklists from 3,445 birders.

Species by week

0255075100125Jan 1-7: 70 species on 5%+ of 410 checklistsJan 8-14: 70 species on 5%+ of 315 checklistsJan 15-21: 66 species on 5%+ of 237 checklistsJan 22-31: 65 species on 5%+ of 328 checklistsFeb 1-7: 65 species on 5%+ of 238 checklistsFeb 8-14: 69 species on 5%+ of 274 checklistsFeb 15-21: 72 species on 5%+ of 271 checklistsFeb 22-28: 76 species on 5%+ of 324 checklistsMar 1-7: 76 species on 5%+ of 287 checklistsMar 8-14: 76 species on 5%+ of 378 checklistsMar 15-21: 80 species on 5%+ of 429 checklistsMar 22-31: 82 species on 5%+ of 521 checklistsApr 1-7: 79 species on 5%+ of 387 checklistsApr 8-14: 85 species on 5%+ of 485 checklistsApr 15-21: 88 species on 5%+ of 611 checklistsApr 22-30: 100 species on 5%+ of 826 checklistsMay 1-7: 104 species on 5%+ of 762 checklistsMay 8-14: 108 species on 5%+ of 856 checklistsMay 15-21: 98 species on 5%+ of 625 checklistsMay 22-31: 88 species on 5%+ of 689 checklistsJun 1-7: 70 species on 5%+ of 309 checklistsJun 8-14: 69 species on 5%+ of 236 checklistsJun 15-21: 69 species on 5%+ of 236 checklistsJun 22-30: 69 species on 5%+ of 369 checklistsJul 1-7: 71 species on 5%+ of 283 checklistsJul 8-14: 77 species on 5%+ of 269 checklistsJul 15-21: 82 species on 5%+ of 284 checklistsJul 22-31: 86 species on 5%+ of 596 checklistsAug 1-7: 88 species on 5%+ of 492 checklistsAug 8-14: 91 species on 5%+ of 354 checklistsAug 15-21: 93 species on 5%+ of 316 checklistsAug 22-31: 88 species on 5%+ of 402 checklistsSep 1-7: 94 species on 5%+ of 345 checklistsSep 8-14: 90 species on 5%+ of 303 checklistsSep 15-21: 97 species on 5%+ of 334 checklistsSep 22-30: 97 species on 5%+ of 344 checklistsOct 1-7: 104 species on 5%+ of 349 checklistsOct 8-14: 92 species on 5%+ of 346 checklistsOct 15-21: 92 species on 5%+ of 221 checklistsOct 22-31: 78 species on 5%+ of 288 checklistsNov 1-7: 74 species on 5%+ of 253 checklistsNov 8-14: 75 species on 5%+ of 281 checklistsNov 15-21: 73 species on 5%+ of 195 checklistsNov 22-30: 71 species on 5%+ of 356 checklistsDec 1-7: 73 species on 5%+ of 251 checklistsDec 8-14: 73 species on 5%+ of 180 checklistsDec 15-21: 67 species on 5%+ of 203 checklistsDec 22-31: 69 species on 5%+ of 479 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 Goose94%
  2. 2Mallard93%
  3. 3White-throated Sparrow84%
  4. 4American Robin83%
  5. 5Northern Shoveler78%
  6. 6Mute Swan77%
  7. 7Song Sparrow75%
  8. 8Great Blue Heron73%
  9. 9Downy Woodpecker72%
  10. 10Carolina Wren70%
  11. 11Ring-billed Gull70%
  12. 12Northern Cardinal69%
  13. 13Green-winged Teal67%
  14. 14Northern Pintail60%
  15. 15Red-winged Blackbird59%

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 66 species

  1. Canada Goose91%
  2. Mallard89%
  3. White-throated Sparrow84%
  4. Ring-billed Gull79%
  5. Downy Woodpecker76%

Spring 121 species

  1. Red-winged Blackbird93%
  2. American Robin92%
  3. Tree Swallow89%
  4. Song Sparrow85%
  5. Northern Cardinal83%

Summer 85 species

  1. Gray Catbird93%
  2. Barn Swallow92%
  3. Great Egret89%
  4. American Robin88%
  5. Great Blue Heron86%

Fall 104 species

  1. Canada Goose91%
  2. American Robin86%
  3. Great Blue Heron79%
  4. Mallard72%
  5. Carolina Wren71%

Specialties

Birds reported far more often here than across Pennsylvania.

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.