| 1 – 250 | 251 – 500 | 501 – 750 |
| number | species | location | date |
| 530 | European Goldfinch* | IL | 03.12.26 |
| 529 | White Wagtail | WI | 02.23.25 |
| 528 | Sage Thrasher | IL | 09.27.24 |
| 527 | Little Gull | WI | 06.29.24 |
| 526 | Bullock’s Oriole | TX | 04.13.24 |
| 525 | Hooded Oriole | TX | 04.12.24 |
| 524 | Cattle Tyrant | TX | 04.11.24 |
| 523 | Cave Swallow | TX | 04.11.24 |
| 522 | Clapper Rail | TX | 04.11.24 |
| 521 | Franklin’s Gull | TX | 04.11.24 |
| 520 | American Flamingo | WI | 09.30.23 |
| 519 | Bell’s Vireo | IL | 05.21.23 |
| 518 | Hudsonian Godwit | IL | 04.22.23 |
| 517 | Ruff | IL | 04.15.23 |
| 516 | Least Bittern | WI | 08.26.22 |
| 515 | Fork-tailed Flycatcher | IL | 05.10.22 |
| 514 | White-winged Crossbill | IL | 02.19.22 |
| 513 | Barn Owl | IL | 08.26.21 |
| 512 | Grasshopper Sparrow | IL | 05.09.21 |
| 511 | Gyrfalcon | IL | 01.30.21 |
| 510 | Eurasian Wigeon | IL | 11.22.20 |
| 509 | Golden-crowned Sparrow | IL | 11.22.20 |
| 508 | Graylag Goose | IL | 05.11.19 |
| 507 | Yellow-throated Vireo | IL | 05.06.19 |
| 506 | Lewis’s Woodpecker | IL | 05.04.19 |
| 505 | Barred Owl | IL | 03.23.19 |
| 504 | Smith’s Longspur | IL | 04.14.18 |
| 503 | Black Scoter | IL | 04.07.18 |
| 502 | Florida Scrub-Jay | FL | 12.06.17 |
| 501 | Nanday Parakeet | FL | 12.06.17 |
| *The European Goldfinch (530) was added to the official ABA list in March 2024. Our first sighting (uncountable) was in May 2004. |