Top Birds at Swinburne Island in April
relative to other locations within 25 miles of 40.781243, -73.966507
based on 4 checklists
This page shows the probability of a species appearing on a checklist at Swinburne Island in April. The difference in probability relative to other nearby locations is also shown, to highlight which birds are particularly likely to be found (or not found) at this specific location. The chart shows how many distinct species have historically been observed at this location for each month of the year.
| Rank | Info | Pics | Species | Entire Region | This Location | Difference | |
|---|---|---|---|---|---|---|---|
| 1 | Double-crested Cormorant | 36.7% | 100.0% | 63.3% | |||
| 2 | American Herring Gull | 25.2% | 100.0% | 74.8% | |||
| 3 | Great Black-backed Gull | 14.3% | 100.0% | 85.7% | |||
| 4 | Canada Goose | 52.0% | 75.0% | 23.0% | |||
| 5 | Ring-billed Gull | 22.5% | 75.0% | 52.5% | |||
| 6 | Laughing Gull | 12.4% | 75.0% | 62.6% | |||
| 7 | Northern Gannet | 2.0% | 75.0% | 73.0% | |||
| 8 | Mallard | 53.0% | 50.0% | 3.0% | |||
| 9 | Brant | 13.1% | 50.0% | 36.9% | |||
| 10 | American Black Duck | 10.0% | 25.0% | 15.0% | |||
| 11 | Common Loon | 5.0% | 25.0% | 20.0% | |||
| 12 | Red-throated Loon | 3.8% | 25.0% | 21.2% | |||
| 13 | Peregrine Falcon | 2.7% | 25.0% | 22.3% | |||
| 14 | Horned Grebe | 2.4% | 25.0% | 22.6% | |||
| 15 | Long-tailed Duck | 0.9% | 25.0% | 24.1% | |||
| 16 | Surf Scoter | 0.5% | 25.0% | 24.5% |