Photo Gallery (U.S. National Park Service)

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Brant geese are one of many species of waterfowl that reside in Boston Harbor.

Flock of Brant

398 x 600
0.2 MB

The Common eider is the largest duck in the Northern hemisphere.

Common eider

388 x 600
0.2 MB

The Double-crested cormorant is the most numerous and widespread of the Cormorant genus. It is easily defined by its bright-orange bill and green eyes.

Sunning Cormorant

298 x 199
0.0 MB

Salt-spray and harsh conditions do not prevent wildflowers from blooming on some of the park's islands.

Sunny Flowers

768 x 1024
0.7 MB

The Herring gull is the standard "seagull" that can be seen and heard within the Boston Harbor Islands.

Great Black-backed Gull

736 x 1098
0.1 MB

The Milkweed beetle lives symbiotically with Monarch butterflies on milkweed plants.

Milkweed Beetle

414 x 400
0.1 MB

The Yellow-rumped warbler is one of the most common warblers in North America. At Boston Harbor Islands, one can find this bird on larger, wooded islands.

Yellow-rumped warbler

507 x 600
0.2 MB

The Black-crowned night heron has a range that covers five continents, making it the most widespread heron in the world. The night heron has been spotted on Thompson and Peddocks Islands.

Black-crowned night heron

455 x 482
0.1 MB

The Snowy egret is common along the Eastern seaboard. This bird is easily identified by its black legs and bright-yellow feet.

Snowy egret

385 x 300
0.1 MB

Due to their extensive range, monarchs can be spotted on the inner Boston Harbor islands during the late-summer.

Monarch

1050 x 1400
0.8 MB

The American oystercatcher are medium-sized waterbirds that are closely tied to coastal habitats. Oystercatcher populations are declining throughout New England due human encroachment of their nesting sites. Oystercatcher nests have been identified on several of the Boston Harbor Islands.

American oystercatcher

492 x 670
0.3 MB

Micro-wilderness at Boston Harbor Islands even includes snails.

Snails and Flowers

1368 x 1712
1.1 MB

Mussels thrive in the cool, salty waters of the Boston Harbor. You can find "mussel beaches" on several islands.

Mussel Beach

1368 x 1712
1.1 MB

Geology has played a dynamic role in shaping Boston Harbor Islands and its history. Carved out by glaciers, Grape Island was home to a slate quarry during the 19th century. Today, you can find slate with little effort along Grape Island's beaches.

Slate on Grape Island

1712 x 1368
1.1 MB

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