
North Atlantic Right Whale
A broad back, rough head callosities, and V-shaped blow identify one of Earth’s rarest whales when it gathers seasonally off Massachusetts.
Browse the published Explore collection for Prince Edward Island, Canada. Open a discovery for its field guide, practical details, and background.

A broad back, rough head callosities, and V-shaped blow identify one of Earth’s rarest whales when it gathers seasonally off Massachusetts.

A chin barbel, pale lateral line, and three dorsal fins identify the cold-water fish that shaped Massachusetts food, trade, and politics.

Black wings checked with cream and orange identify a wet-meadow butterfly whose official status contrasts with its rarity in Maryland.

Seven or eight continuous dark stripes mark a silvery predator that uses tidal rivers as nurseries and the coast as a highway.

Follow this jewel-colored char from shaded headwaters to Adirondack ponds, where water quality shapes its future.

Recognize New York's state tree by more than its color: bark, paired buds, and leaf shape tell the whole story.