As in previous years, a summary of the seasonal findings on Corvo has been compiled and is presented below.
2019 autumn at a glance:
Timing: First Waterbird species found on 26/09 (Lesser Yellowlegs/B-W Teal) and last on 26/10 (American Bittern); First landbird species found on 23/09 (Red-eyed Vireo) and last on 24/10 (Common Yellowthroat) ;
Abundance/No of species: 26 American landbird species, with a total estimated 54 different individuals; 8 American Waterbird species, with a total estimated 12 different individuals ;
Best records: Prothonotary Warbler (1st WP record); Cape May Warbler (3rd WP record); Chestnut-sided Warbler (5th WP record); White-eyed Vireo (5th WP record); Canada Warbler (6th WP record); Hooded Warbler (7th WP record); Magnolia Warbler (10th WP record).
| Landbird species | No of ind. |
| Northern Harrier | 1 |
| Cliff Swallow | 1 |
| Buff-bellied Pipit | 2 |
| Hermit Thrush | 1 |
| White-eyed Vireo | 1 |
| Philadelphia Vireo | 2 |
| Red-eyed Vireo | 22 |
| Northern Parula | 1 |
| Black-throated Green Warbler | 1 |
| Magnolia Warbler | 1 |
| Prothonotary Warbler | 1 |
| Black-and-white Warbler | 4 |
| Chestnut-sided Warbler | 1 |
| Blackpoll Warbler | 1 |
| Cape May Warbler | 1 |
| Northern Waterthrush | 2 |
| Ovenbird | 1 |
| Common Yellowthroat | 1 |
| American Yellow Warbler | 2 |
| Canada Warbler | 1 |
| Hooded Warbler | 1 |
| Scarlet Tanager | 1 |
| Rose-breasted Grosbeak | 1 |
| Indigo Bunting | 1 |
| Dickcissel | 1 |
| Bobolink | 1 |
| Total | 54 |
| Waterbird species | No of ind. |
| Blue-winged Teal | 2 |
| American Bittern | 1 |
| Lesset Yellowlegs | 1 |
| White-rumped Sandpiper | 3 |
| Pectoral Sandpiper | 1 |
| Semipalmated Plover | 2 |
| Wilson's Snipe | 1 |
| Spotted Sandpiper | 1 |
| Total | 12 |
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