WhenToBird

Birding spot · Polk County, Iowa

Birding at Saylorville Recreation Area (Corydon (historical)): What You'll See Each Week

In November, the birds most often reported at Saylorville Recreation Area (Corydon (historical)) are Ring-billed Gull (77%), Common Loon (64%), and Double-crested Cormorant (63%). It is busiest in spring, when 100 species turn up on at least 1 in 20 checklists, and species counts peak in mid May (105 species). 224 species have been reported here across 1,186 complete checklists from 174 birders.

Species by week

0255075100125Jan 1-7: low data (5 checklists)Jan 8-14: low data (1 checklists)Jan 15-21: low data (1 checklists)Jan 22-31: low data (4 checklists)Feb 1-7: low data (2 checklists)Feb 8-14: low data (1 checklists)Feb 15-21: low data (2 checklists)Feb 22-28: low data (4 checklists)Mar 1-7: low data (8 checklists)Mar 8-14: 49 species on 5%+ of 10 checklistsMar 15-21: 52 species on 5%+ of 10 checklistsMar 22-31: 59 species on 5%+ of 31 checklistsApr 1-7: 56 species on 5%+ of 21 checklistsApr 8-14: 79 species on 5%+ of 17 checklistsApr 15-21: 85 species on 5%+ of 19 checklistsApr 22-30: 72 species on 5%+ of 28 checklistsMay 1-7: 92 species on 5%+ of 51 checklistsMay 8-14: 103 species on 5%+ of 50 checklistsMay 15-21: 105 species on 5%+ of 40 checklistsMay 22-31: 97 species on 5%+ of 35 checklistsJun 1-7: low data (7 checklists)Jun 8-14: low data (4 checklists)Jun 15-21: low data (3 checklists)Jun 22-30: low data (3 checklists)Jul 1-7: low data (8 checklists)Jul 8-14: 60 species on 5%+ of 10 checklistsJul 15-21: 62 species on 5%+ of 12 checklistsJul 22-31: 82 species on 5%+ of 40 checklistsAug 1-7: 68 species on 5%+ of 26 checklistsAug 8-14: 88 species on 5%+ of 35 checklistsAug 15-21: 63 species on 5%+ of 41 checklistsAug 22-31: 77 species on 5%+ of 64 checklistsSep 1-7: 87 species on 5%+ of 87 checklistsSep 8-14: 90 species on 5%+ of 79 checklistsSep 15-21: 89 species on 5%+ of 78 checklistsSep 22-30: 79 species on 5%+ of 74 checklistsOct 1-7: 64 species on 5%+ of 44 checklistsOct 8-14: 65 species on 5%+ of 51 checklistsOct 15-21: 61 species on 5%+ of 33 checklistsOct 22-31: 57 species on 5%+ of 29 checklistsNov 1-7: 61 species on 5%+ of 39 checklistsNov 8-14: 62 species on 5%+ of 14 checklistsNov 15-21: 46 species on 5%+ of 24 checklistsNov 22-30: 28 species on 5%+ of 22 checklistsDec 1-7: low data (6 checklists)Dec 8-14: low data (4 checklists)Dec 15-21: low data (4 checklists)Dec 22-31: low data (5 checklists)JanFebMarAprMayJunJulAugSepOctNovDec
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. 1Ring-billed Gull77%
  2. 2Common Loon64%
  3. 3Double-crested Cormorant63%
  4. 4American Herring Gull49%
  5. 5American White Pelican43%
  6. 6Bald Eagle33%
  7. 7Blue Jay33%
  8. 8American Tree Sparrow32%
  9. 9Dark-eyed Junco29%
  10. 10American Crow28%
  11. 11Red-breasted Merganser27%
  12. 12American Goldfinch26%
  13. 13Black-capped Chickadee23%
  14. 14Canada Goose21%
  15. 15Snow Bunting21%

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 43 species

  1. Blue Jay62%
  2. Bald Eagle56%
  3. Red-bellied Woodpecker54%
  4. Black-capped Chickadee46%
  5. Downy Woodpecker46%

Spring 100 species

  1. American Robin66%
  2. Northern Cardinal59%
  3. Red-winged Blackbird56%
  4. Blue Jay56%
  5. Killdeer52%

Summer 75 species

  1. Ring-billed Gull81%
  2. Killdeer76%
  3. Blue Jay69%
  4. Northern Cardinal62%
  5. Eastern Wood-Pewee59%

Fall 83 species

  1. Ring-billed Gull86%
  2. Blue Jay61%
  3. Killdeer51%
  4. American Goldfinch50%
  5. Double-crested Cormorant50%

Specialties

Birds reported far more often here than across Iowa.

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.