Santa Catarina Leaf Frog (Phrynomedusa appendiculata). A specimen in the collection of the Field Museum of Natural History, Chicago. FMNH catalogue no. 83270. Conservation status: near threatened.

Komodo dragon (Varanus komodoensis). Field Museum of Natural History, Chicago. FMNH catalogue no. 22199. Conservation status: vulnerable

Atlantic Goliath Grouper (Epinephelus itajara), FMNH no. 88177. Field Museum of Natural History, Chicago.

Big-leaf Mahogany (Swietenia macrophylla), FMNH 617684. Conservation status: vulnerable. Field Museum of Natural History, Chicago.

Black Abalone (Haliotis cracherodii), FMNH 321084. Conservation status: critically endangered. Field Museum of Natural History, Chicago.

Black Rhinoceros (Diceros bicornis), FMNH 127848. Conservation status: critically endangered. Field Museum of Natural History, Chicago.

Blue Coral (Heliopora caerulea), FMNH 26. Conservation status: vulnerable. Field Museum of Natural History, Chicago.

Bush Wren (Xenicus longipes), FMNH 304099. Conservation status: extinct. Field Museum of Natural History, Chicago.

Ivory-billed Woodpecker (Campephilus principalis)., FMNH 39502. Conservation status: extinct. Field Museum of Natural History, Chicago.

Kakapo (Strigops habroptilus). Conservation status: critically endangered. Field Museum of Natural History, Chicago.

Kirtland's Warbler (Dendroica kirtlandii). Conservation status: endangered. Field Museum of Natural History, Chicago.

Komodo Dragon (Varanus komodoensis). Conservation status: vulnerable. Field Museum of Natural History, Chicago.

Master roll of sequentially numbered paper tags in the Fishes Division, Field Museum of Natural History, Chicago. As new specimens are entered into the collection, they are tagged with a unique number...

Golden Frog (Bufo periglenes). Field Museum of Natural History, Chicago. FMNH nos. 167967-69. Conservation status: extinct. This species was known only from the Reserva Biologica Monteverde, Costa Ric...

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