Here’s the list of bird species seen by Tom in Massachusetts and on Plum Island in 2025. All birds on the list were seen in Massachusetts. Birds in boldface were also seen on Plum Island. Birds in yellow are Massachusetts life birds. Birds in purple are Plum Island life birds. There are 247 species on the list, with 245 on Plum Island, and 1 state life bird.
| Brant | Least Sandpiper | Downy Woodpecker | American Tree Sparrow |
| Canada Goose | White-rumped Sandpiper | Hairy Woodpecker | Dark-eyed Junco |
| Mute Swan | Buff-breasted Sandpiper | Northern Flicker | White-crowned Sparrow |
| Wood Duck | Pectoral Sandpiper | American Kestrel | White-throated Sparrow |
| Blue-winged Teal | Semipalmated Sandpiper | Merlin | Seaside Sparrow |
| Northern Shoveler | Short-billed Dowitcher | Peregrine Falcon | Nelson's Sparrow |
| Gadwall | Long-billed Dowitcher | Great Crested Flycatcher | Saltmarsh Sparrow |
| Eurasian Wigeon | American Woodcock | Western Kingbird | Savannah Sparrow |
| American Wigeon | Wilson's Snipe | Eastern Kingbird | Song Sparrow |
| Mallard | Spotted Sandpiper | Olive-sided Flycatcher | Lincoln's Sparrow |
| American Black Duck | Solitary Sandpiper | Eastern Wood-Pewee | Swamp Sparrow |
| Northern Pintail | Lesser Yellowlegs | Yellow-bellied Flycatcher | Eastern Towhee |
| Green-winged Teal | Willet | Alder Flycatcher | Yellow-breasted Chat |
| Canvasback | Greater Yellowlegs | Willow Flycatcher | Bobolink |
| Ring-necked Duck | Wilson's Phalarope | Least Flycatcher | Eastern Meadowlark |
| Greater Scaup | Razorbill | Eastern Phoebe | Orchard Oriole |
| Lesser Scaup | Bonaparte's Gull | White-eyed Vireo | Baltimore Oriole |
| Common Eider | Laughing Gull | Blue-headed Vireo | Red-winged Blackbird |
| Harlequin Duck | Ring-billed Gull | Philadelphia Vireo | Brown-headed Cowbird |
| Surf Scoter | Herring Gull | Red-eyed Vireo | Common Grackle |
| White-winged Scoter | Iceland Gull | Blue Jay | Ovenbird |
| Black Scoter | Lesser Black-backed Gull | American Crow | Northern Waterthrush |
| Long-tailed Duck | Great Black-backed Gull | Fish Crow | Blue-winged Warbler |
| Bufflehead | Least Tern | Common Raven | Black-and-white Warbler |
| Common Goldeneye | Roseate Tern | Black-capped Chickadee | Tennessee Warbler |
| Hooded Merganser | Common Tern | Tufted Titmouse | Orange-crowned Warbler |
| Common Merganser | Arctic Tern | Horned Lark | Nashville Warbler |
| Red-breasted Merganser | Forster's Tern | Bank Swallow | Mourning Warbler |
| Ruddy Duck | Black Skimmer | Tree Swallow | Common Yellowthroat |
| Wild Turkey | Red-throated Loon | Northern Rough-winged Swallow | American Redstart |
| Pied-billed Grebe | Common Loon | Purple Martin | Cape May Warbler |
| Horned Grebe | Wilson's Storm-Petrel | Barn Swallow | Northern Parula |
| Red-necked Grebe | Cory's Shearwater | Ruby-crowned Kinglet | Magnolia Warbler |
| Rock Pigeon | Manx Shearwater | Golden-crowned Kinglet | Bay-breasted Warbler |
| Mourning Dove | Northern Gannet | Cedar Waxwing | Blackburnian Warbler |
| Yellow-billed Cuckoo | Great Cormorant | Red-breasted Nuthatch | Yellow Warbler |
| Black-billed Cuckoo | Double-crested Cormorant | White-breasted Nuthatch | Chestnut-sided Warbler |
| Eastern Whip-poor-will | American Bittern | Brown Creeper | Blackpoll Warbler |
| Chimney Swift | Least Bittern | Blue-gray Gnatcatcher | Black-throated Blue Warbler |
| Ruby-throated Hummingbird | Great Blue Heron | House Wren | Palm Warbler |
| King Rail | Great Egret | Winter Wren | Pine Warbler |
| Clapper Rail | Snowy Egret | Marsh Wren | Yellow-rumped Warbler |
| Virginia Rail | Little Blue Heron | Carolina Wren | Prairie Warbler |
| Sora | Tricolored Heron | Gray Catbird | Black-throated Green Warbler |
| Common Gallinule | Green Heron | Brown Thrasher | Canada Warbler |
| American Coot | Black-crowned Night-Heron | Northern Mockingbird | Wilson's Warbler |
| Black-necked Stilt | Yellow-crowned Night-Heron | European Starling | Scarlet Tanager |
| American Avocet | Glossy Ibis | Veery | Northern Cardinal |
| American Oystercatcher | Black Vulture | Gray-cheeked Thrush | Rose-breasted Grosbeak |
| Black-bellied Plover | Turkey Vulture | Swainson's Thrush | Blue Grosbeak |
| American Golden-Plover | Osprey | Hermit Thrush | Indigo Bunting |
| Killdeer | Northern Harrier | Wood Thrush | Dickcissel |
| Semipalmated Plover | Sharp-shinned Hawk | American Robin | |
| Piping Plover | Cooper's Hawk | House Sparrow | |
| Upland Sandpiper | Bald Eagle | American Pipit | |
| Whimbrel | Swainson's Hawk | House Finch | |
| Hudsonian Godwit | Red-tailed Hawk | Purple Finch | |
| Ruddy Turnstone | Rough-legged Hawk | Pine Siskin | |
| Red Knot | Eastern Screech-Owl | American Goldfinch | |
| Ruff | Snowy Owl | Lapland Longspur | |
| Stilt Sandpiper | Barred Owl | Snow Bunting | |
| Sanderling | Short-eared Owl | Chipping Sparrow | |
| Dunlin | Belted Kingfisher | Clay-colored Sparrow | |
| Purple Sandpiper | Red-bellied Woodpecker | Field Sparrow | |
| Baird's Sandpiper | Yellow-bellied Sapsucker | Fox Sparrow |