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 242 species on the list, with 240 on Plum Island, and 1 state life bird.
| Brant | Pectoral Sandpiper | Merlin | Nelson's Sparrow |
| Canada Goose | Semipalmated Sandpiper | Peregrine Falcon | Saltmarsh Sparrow |
| Mute Swan | Short-billed Dowitcher | Great Crested Flycatcher | Savannah Sparrow |
| Wood Duck | Long-billed Dowitcher | Western Kingbird | Song Sparrow |
| Blue-winged Teal | American Woodcock | Eastern Kingbird | Lincoln's Sparrow |
| Northern Shoveler | Wilson's Snipe | Olive-sided Flycatcher | Swamp Sparrow |
| Gadwall | Spotted Sandpiper | Eastern Wood-Pewee | Eastern Towhee |
| Eurasian Wigeon | Solitary Sandpiper | Yellow-bellied Flycatcher | Yellow-breasted Chat |
| American Wigeon | Lesser Yellowlegs | Alder Flycatcher | Bobolink |
| Mallard | Willet | Willow Flycatcher | Eastern Meadowlark |
| American Black Duck | Greater Yellowlegs | Least Flycatcher | Orchard Oriole |
| Northern Pintail | Wilson's Phalarope | Eastern Phoebe | Baltimore Oriole |
| Green-winged Teal | Razorbill | White-eyed Vireo | Red-winged Blackbird |
| Greater Scaup | Bonaparte's Gull | Blue-headed Vireo | Brown-headed Cowbird |
| Lesser Scaup | Laughing Gull | Philadelphia Vireo | Common Grackle |
| Common Eider | Ring-billed Gull | Red-eyed Vireo | Ovenbird |
| Surf Scoter | Herring Gull | Blue Jay | Northern Waterthrush |
| White-winged Scoter | Iceland Gull | American Crow | Blue-winged Warbler |
| Black Scoter | Lesser Black-backed Gull | Fish Crow | Black-and-white Warbler |
| Long-tailed Duck | Great Black-backed Gull | Common Raven | Tennessee Warbler |
| Bufflehead | Least Tern | Black-capped Chickadee | Orange-crowned Warbler |
| Common Goldeneye | Roseate Tern | Tufted Titmouse | Nashville Warbler |
| Hooded Merganser | Common Tern | Horned Lark | Mourning Warbler |
| Common Merganser | Arctic Tern | Bank Swallow | Common Yellowthroat |
| Red-breasted Merganser | Forster's Tern | Tree Swallow | American Redstart |
| Ruddy Duck | Black Skimmer | Northern Rough-winged Swallow | Cape May Warbler |
| Wild Turkey | Red-throated Loon | Purple Martin | Northern Parula |
| Pied-billed Grebe | Common Loon | Barn Swallow | Magnolia Warbler |
| Horned Grebe | Wilson's Storm-Petrel | Ruby-crowned Kinglet | Bay-breasted Warbler |
| Red-necked Grebe | Cory's Shearwater | Golden-crowned Kinglet | Blackburnian Warbler |
| Rock Pigeon | Manx Shearwater | Cedar Waxwing | Yellow Warbler |
| Mourning Dove | Northern Gannet | Red-breasted Nuthatch | Chestnut-sided Warbler |
| Yellow-billed Cuckoo | Great Cormorant | White-breasted Nuthatch | Blackpoll Warbler |
| Black-billed Cuckoo | Double-crested Cormorant | Brown Creeper | Black-throated Blue Warbler |
| Eastern Whip-poor-will | American Bittern | Blue-gray Gnatcatcher | Palm Warbler |
| Chimney Swift | Least Bittern | House Wren | Pine Warbler |
| Ruby-throated Hummingbird | Great Blue Heron | Winter Wren | Yellow-rumped Warbler |
| King Rail | Great Egret | Marsh Wren | Prairie Warbler |
| Clapper Rail | Snowy Egret | Carolina Wren | Black-throated Green Warbler |
| Virginia Rail | Little Blue Heron | Gray Catbird | Canada Warbler |
| Sora | Tricolored Heron | Brown Thrasher | Wilson's Warbler |
| Common Gallinule | Green Heron | Northern Mockingbird | Scarlet Tanager |
| American Coot | Black-crowned Night-Heron | European Starling | Northern Cardinal |
| Black-necked Stilt | Yellow-crowned Night-Heron | Veery | Rose-breasted Grosbeak |
| American Avocet | Glossy Ibis | Gray-cheeked Thrush | Blue Grosbeak |
| American Oystercatcher | Black Vulture | Swainson's Thrush | Indigo Bunting |
| Black-bellied Plover | Turkey Vulture | Hermit Thrush | Dickcissel |
| American Golden-Plover | Osprey | Wood Thrush | |
| Killdeer | Northern Harrier | American Robin | |
| Semipalmated Plover | Sharp-shinned Hawk | House Sparrow | |
| Piping Plover | Cooper's Hawk | American Pipit | |
| Upland Sandpiper | Bald Eagle | House Finch | |
| Whimbrel | Swainson's Hawk | Purple Finch | |
| Hudsonian Godwit | Red-tailed Hawk | Pine Siskin | |
| Ruddy Turnstone | Rough-legged Hawk | American Goldfinch | |
| Red Knot | Snowy Owl | Snow Bunting | |
| Ruff | Barred Owl | Chipping Sparrow | |
| Stilt Sandpiper | Short-eared Owl | Clay-colored Sparrow | |
| Sanderling | Belted Kingfisher | Field Sparrow | |
| Dunlin | Red-bellied Woodpecker | Fox Sparrow | |
| Purple Sandpiper | Yellow-bellied Sapsucker | American Tree Sparrow | |
| Baird's Sandpiper | Downy Woodpecker | Dark-eyed Junco | |
| Least Sandpiper | Hairy Woodpecker | White-crowned Sparrow | |
| White-rumped Sandpiper | Northern Flicker | White-throated Sparrow | |
| Buff-breasted Sandpiper | American Kestrel | Seaside Sparrow |