Harelip Sucker (Lagochila lacera). Field Museum of Natural History, Chicago. FMNH no. 1847. Conservation status: extinct. In 2004 this species was renamed Moxostoma lacerum. The last specimen was coll...

Shortnose Cisco (Coregonus reighardi). Field Museum of Natural History, Chicago. FMNH no. 63398. Conservation status: critically endangered. The species is a native of the Great Lakes of North America...

Deepwater cisco (Coregonus johannae), FMNH no. 2088. Conservation status: extinct. Field Museum of Natural History, Chicago.

Bachman's Warbler (Vermivora bachmanii). Field Museum of Natural History, Chicago. Conservation status: critically endangered. There is very little remaining habitat to search and any remaining popula...

Dusky Seaside Sparrow (Ammodramus maritimus nigrescens) (top)Cape Sable Seaside Sparrow (Ammodramus maritimus mirabilis). Field Museum of Natural History, Chicago. Dusky Seaside Sparrow conservation s...

Rusty blackbird (Euphagus carolinus). Field Museum of Natural History, Chicago. Conservation status: vulnerable. E. carolinus ranges widely across the boreal zone of North America from New England, th...

Chinese Paddlefish (Psephurus gladius). Conservation status: extinct. Field Museum of Natural History, Chicago.

Sea Clover (Halophila baillonis), FMNH 1286480. Conservation status: vulnerable. Field Museum of Natural History, Chicago.

Latimeria chalumnae, Coelocanth, FMNH no. 76057 and/or 97106 (scales from 2 individuals in one fluid vat). Conservation status: critically endangered. Field Museum of Natural History, Chicago.

Lake Titicaca Orestias or Amanto (Orestias cuvieri), FMNH 41121. Conservation status: data deficient (IUCN) or possibly extinct. Field Museum of Natural History, Chicago.

Cyclosurus mariei, a land snail, FMNH. Conservation status: extinct. Field Museum of Natural History, Chicago.

Cyclosurus mariei, a land snail, FMNH. Conservation status: extinct. Field Museum of Natural History, Chicago.

Mexican Gray Wolf (Canis lupus baileyi), FMNH 7619. Field Museum of Natural History, Chicago.

Millerbird (Acrocephalus familiaris), FMNH 479. Conservation status: critically endangered. Field Museum of Natural History, Chicago.

Monarch (Danaus plexippus). Field Museum of Natural History, Chicago.