Colony

Immortal Jellyfish

The jellyfish that hits "reset."

Albatross

Born to ride the wind

Wandering Albatross

Wings built for the roaring forties

Mexican Free-Tailed Bat

Night-shift pest control at 160 km/h

Muskrat

Marsh builder with a knife-tail

Eel

Long bodies, long journeys.

Marmot

Whistle, Waddle, Hibernate!

Sugar Glider

Glide the night, sip the sap

Gouldian Finch

Savanna's living rainbow finch

Pigeon

Crop-milk champions of the skies

Glass Frog

See-through guardians of rainforest streams

Fruit Bat

Plant the forest-one flight at a time

Naked Mole Rat

One queen. Hundreds of helpers. No air? No problem.

Prairie Dog

Builders of the grassland underground

Tree swallow

Sky-sleek hunter of wetland air

Little Brown Bat

Small bat, big insect control

Harbor Seal

No ears. Big whiskers. Coastal pro.

Marine Iguana

Galápagos' only sea-foraging lizard

Myna Bird

Bold, brainy, and brilliantly vocal

Zebra Finch

Small finch, big lessons in song

Marabou Stork

Africa's clean-up crew with a bill

Red-winged blackbird

Flash the red-rule the marsh

Garden Eel

Burrows, colonies, and current-fed eels

Harp Seal

Born on ice, built for the North