60 birds were recorded seen in New Jersey in August in our iNaturalist sample; 15 of the top 50 are at their peak this month. The list is ranked by number of research-grade observations.
Top birds in August

Laughing Gull

Osprey

Great Blue Heron

Great Egret

Mourning Dove

Sanderling

Double-crested Cormorant

American Goldfinch

American Herring Gull

Semipalmated Plover

Ruby-throated Hummingbird

Mallard
All birds seen in New Jersey in August
| # | Species | Scientific name | Family | Obs. | Peak in state |
|---|---|---|---|---|---|
| 1 | Laughing Gull | Leucophaeus atricilla | Gulls, Terns, and Skimmers | 1,441 | Aug (peak) |
| 2 | Osprey | Pandion haliaetus | Ospreys | 791 | Aug (peak) |
| 3 | Great Blue Heron | Ardea herodias | Herons, Egrets, and Bitterns | 741 | Sep (rising) |
| 4 | Great Egret | Ardea alba | Herons, Egrets, and Bitterns | 725 | Aug (peak) |
| 5 | Mourning Dove | Zenaida macroura | Pigeons and Doves | 513 | Apr (past peak) |
| 6 | Sanderling | Calidris alba | Sandpipers and Allies | 508 | Aug (peak) |
| 7 | Double-crested Cormorant | Nannopterum auritum | Cormorants and Shags | 498 | Aug (peak) |
| 8 | American Goldfinch | Spinus tristis | Finches, Euphonias, and Allies | 468 | Aug (peak) |
| 9 | American Herring Gull | Larus smithsonianus | Gulls, Terns, and Skimmers | 459 | Aug (peak) |
| 10 | Semipalmated Plover | Charadrius semipalmatus | Plovers and Lapwings | 431 | Aug (peak) |
| 11 | Ruby-throated Hummingbird | Archilochus colubris | Hummingbirds | 431 | Aug (peak) |
| 12 | Mallard | Anas platyrhynchos | Ducks, Geese, and Swans | 419 | Mar (past peak) |
| 13 | Canada Goose | Branta canadensis | Ducks, Geese, and Swans | 415 | Apr (past peak) |
| 14 | Great Black-backed Gull | Larus marinus | Gulls, Terns, and Skimmers | 381 | Aug (peak) |
| 15 | American Robin | Turdus migratorius | Thrushes | 368 | Apr (past peak) |
| 16 | Red-tailed Hawk | Buteo jamaicensis | Hawks, Eagles, and Kites | 353 | Mar (past peak) |
| 17 | Gray Catbird | Dumetella carolinensis | Mockingbirds and Thrashers | 339 | May (past peak) |
| 18 | Snowy Egret | Egretta thula | Herons, Egrets, and Bitterns | 334 | Aug (peak) |
| 19 | House Sparrow | Passer domesticus | Old World Sparrows | 322 | May (past peak) |
| 20 | Blue Jay | Cyanocitta cristata | Crows, Jays, and Magpies | 300 | May (past peak) |
| 21 | Northern Cardinal | Cardinalis cardinalis | Cardinals and Allies | 300 | Apr (past peak) |
| 22 | Green Heron | Butorides virescens | Herons, Egrets, and Bitterns | 292 | Aug (peak) |
| 23 | Semipalmated Sandpiper | Calidris pusilla | Sandpipers and Allies | 289 | May (past peak) |
| 24 | American Oystercatcher | Haematopus palliatus | Oystercatchers | 280 | May (past peak) |
| 25 | Wild Turkey | Meleagris gallopavo | Pheasants, Grouse, and Allies | 276 | Apr (past peak) |
| 26 | Forster's Tern | Sterna forsteri | Gulls, Terns, and Skimmers | 263 | May (past peak) |
| 27 | European Starling | Sturnus vulgaris | Starlings | 259 | May (past peak) |
| 28 | Turkey Vulture | Cathartes aura | New World Vultures | 254 | Mar (past peak) |
| 29 | Northern Mockingbird | Mimus polyglottos | Mockingbirds and Thrashers | 252 | Apr (past peak) |
| 30 | Ruddy Turnstone | Arenaria interpres | Sandpipers and Allies | 248 | May (past peak) |
| 31 | Black Skimmer | Rynchops niger | Gulls, Terns, and Skimmers | 248 | Aug (peak) |
| 32 | Ring-billed Gull | Larus delawarensis | Gulls, Terns, and Skimmers | 242 | Dec (rising) |
| 33 | Common Tern | Sterna hirundo | Gulls, Terns, and Skimmers | 219 | Aug (peak) |
| 34 | Mute Swan | Cygnus olor | Ducks, Geese, and Swans | 204 | Oct (rising) |
| 35 | Black-crowned Night Heron | Nycticorax nycticorax | Herons, Egrets, and Bitterns | 202 | Jun (past peak) |
| 36 | Yellow-crowned Night Heron | Nyctanassa violacea | Herons, Egrets, and Bitterns | 202 | May (past peak) |
| 37 | House Finch | Haemorhous mexicanus | Finches, Euphonias, and Allies | 200 | May (past peak) |
| 38 | White Ibis | Eudocimus albus | Ibises and Spoonbills | 193 | Aug (peak) |
| 39 | Song Sparrow | Melospiza melodia | New World Sparrows | 190 | Mar (past peak) |
| 40 | Eastern Kingbird | Tyrannus tyrannus | Tyrant Flycatchers | 189 | May (past peak) |
| 41 | Barn Swallow | Hirundo rustica | Swallows and Martins | 181 | May (past peak) |
| 42 | Bald Eagle | Haliaeetus leucocephalus | Hawks, Eagles, and Kites | 173 | Oct (rising) |
| 43 | Least Sandpiper | Calidris minutilla | Sandpipers and Allies | 172 | May (past peak) |
| 44 | Northern Flicker | Colaptes auratus | Woodpeckers | 170 | Apr (past peak) |
| 45 | Red-winged Blackbird | Agelaius phoeniceus | New World Blackbirds and Orioles | 146 | May (past peak) |
| 46 | Downy Woodpecker | Dryobates pubescens | Woodpeckers | 146 | Mar (past peak) |
| 47 | Common Yellowthroat | Geothlypis trichas | New World Warblers | 143 | May (past peak) |
| 48 | Purple Martin | Progne subis | Swallows and Martins | 139 | May (past peak) |
| 49 | Royal Tern | Thalasseus maximus | Gulls, Terns, and Skimmers | 130 | Sep (rising) |
| 50 | Chipping Sparrow | Spizella passerina | New World Sparrows | 129 | Apr (past peak) |