Passenger Pigeon (Ectopistes migratorius)

Passenger Pigeon

Passenger Pigeons were one of the most abundant birds in the world, with total numbers estimated at 3-5 billion. Hunting…
Read More

Ivory-billed Woodpecker (Campephilus principalis)

Ivory-billed Woodpecker

The Ivory-billed Woodpecker, an iconic bird of the American Southeast, declined rapidly as its forests were logged on massive scales….
Read More

Great Auk (Pinguinus impennis)

Great Auk

This large, flightless seabird once nested on seaside cliffs on both sides of the Atlantic Ocean. The last Great Auks…
Read More

Eskimo Curlew (Numenius borealis)

Eskimo Curlew

The Eskimo Curlew traveled far, breeding in northern Canada and Alaska and wintering in southern South America. Hunting decimated Curlew…
Read More

Carolina Parakeet (Conuropsis carolinensis) eggs

Carolina Parakeet

Naturalists noticed declining populations of the once-common Carolina Parakeets as early as the 1830s. By the end of the 19th…
Read More

Burrowing Owl (Athene cunicularia) Beak and Talons

Blue Hole Birds

Fossils recently discovered inside a flooded sinkhole reveal a lost world of animals that once lived on islands in the…
Read More

Xerces Blue (Glaucopsyche xerces) four small pinned butterfly specimens. Two butterflies are blue and brown, one is light brown with small white spots and the last is brown with small black spots with a white border around each black spot.

Xerces Blue

Xerces Blue butterflies were last seen in the early 1940s in the San Francisco Bay area. It is one of…
Read More

Maryland darter (Etheostoma sellare)

Maryland Darter

Biologists discovered the Maryland Darter in 1912 in a creek in Maryland, and the reclusive fish wasn’t seen again until…
Read More

Jambato Toads (Atelopus ignescens)

Jambato Toad

The Jambato Toad has been hard-hit by the epidemic spread of the fungus causing the decline and extinction of many…
Read More