Habitat destruction, overcollection of young for zoos
Panda, Giant (Ailuropoda melanoleuca)
EN
China
Habitat destruction
Prairie Dog, Utah (Cynomys parvidens)
LR
Western U.S.
Habitat destruction, poisoning
Rhinoceros, Black (Diceros bicornis)
CR
South of Sahara in Africa
Habitat destruction, poaching for horn
Tiger (Panthera tigris)
EN
Temperate and tropical Asia
Habitat destruction, hunting for sport
Whale, Blue (Balaenoptera musculus)
EN
Oceans
Commercial hunting
Whale, Fin (Balaenoptera physalus)
EN
Oceans
Commercial hunting
Wolf, Red (Canis rufus)
CR
Southeastern U.S. to central Texas
Habitat destruction, hunting, trapping, and poisoning
Extinct (EX): No reasonable doubt that the last individual of the species has died.
Extinct in the Wild (EW): Species only survives in cultivation, captivity, or as a naturalized population well outside of its native range.
Critically Endangered (CR): Species faces extremely high risk of extinction in the wild in the immediate future.
Endangered (EN): Species faces very high risk of extinction in the wild in the near future.
Vulnerable (VU): Species faces high risk of extinction in the wild in the medium-term future.
Lower Risk (LR): Species does not satisfy criteria for above categories, but may be near threatened or dependent on conservation activities for survival.
Source: 2004 World Conservation Union (IUCN) Red List of Threatened Species.
Species
Status
Range
Reasons for Decline
Akepa (Loxops coccineus)
EN
Hawaiian Islands
Habitat destruction, infection from disease-carrying prey
Amazon, Imperial (Amazona imperialis)
EN
West Indies, Dominica
Habitat destruction, illegal collection for pet market
Amazon, Puerto Rican (Amazona vittata)
CR
Puerto Rico
Habitat destruction, predators, nest destruction by rats
Condor, California (Gymnogyps californianus)
CR
California
Habitat destruction, loss of food source, low reproductive rates
Crane, Whooping (Grus americana)
EN
Central U.S., Canada
Habitat destruction, low reproductive rates
Macaw, indigo (Anodorhynchus leari)
CR
Brazil
Habitat destruction, collection for pet market
Parrot, orange-bellied (Neophema chrysogaster)
CR
Australia
Collection for pet market
Scrub-bird, noisy (Atrichornis clamosus)
VU
Australia
Habitat destruction, introduction of predators (cats), drought
Warbler, Kirtland's (Dendroica kirtlandii)
VU
U.S., Canada, West Indies, The Bahamas
Habitat destruction (for fire control)
Woodpecker, red-cockaded (Picoides borealis)
VU
South central and southeastern U.S.
Nesting habitat destruction (logging)
Extinct (EX): No reasonable doubt that the last individual of the species has died.
Extinct in the Wild (EW): Species only survives in cultivation, captivity, or as a naturalized population well outside of its native range.
Critically Endangered (CR): Species faces extremely high risk of extinction in the wild in the immediate future.
Endangered (EN): Species faces very high risk of extinction in the wild in the near future.
Vulnerable (VU): Species faces high risk of extinction in the wild in the medium-term future.
Lower Risk (LR): Species does not satisfy criteria for above categories, but may be near threatened or dependent on conservation activities for survival.
Source: 2004 World Conservation Union (IUCN) Red List of Threatened Species.
Species
Status
Range
Reasons for Decline
Amphipod, Hay's spring (Stygobromus hayi)
EN
District of Columbia
Very limited distribution
Isopod, Madison cave (Antrolana lira)
VU
Virginia
Water pollution, human traffic in cave
Mussel, Ring pink (Obovaria retusa)
CR
Kentucky, Tennessee
Habitat alteration-damming, water pollution, dredging
Peacock, Luzon (Papilio chikae)
EN
Philippines
Overcollection
Pearlshell, Louisiana (Margaritifera hembeli)
CR
Louisiana
Dam construction, water diversion, polluted runoff
Shrimp, Alabama cave (Palaemonias alabamae)
EN
Alabama
Habitat destruction
Swallowtail, Corsican (Papilio hospiton)
EN
Corsica (France), Sardinia (Italy)
Habitat destruction
Tiger beetle, Columbia River (Cicindela columbica)
VU
Idaho
Habitat destruction (dam construction)
Extinct (EX): No reasonable doubt that the last individual of the species has died.
Extinct in the Wild (EW): Species only survives in cultivation, captivity, or as a naturalized population well outside of its native range.
Critically Endangered (CR): Species faces extremely high risk of extinction in the wild in the immediate future.
Endangered (EN): Species faces very high risk of extinction in the wild in the near future.
Vulnerable (VU): Species faces high risk of extinction in the wild in the medium-term future.
Lower Risk (LR): Species does not satisfy criteria for above categories, but may be near threatened or dependent on conservation activities for survival.
Source: 2004 World Conservation Union (IUCN) Red List of Threatened Species.
Species
Status
Range
Reasons for Decline
Crocodile, American (Crocodylus acutus)
VU
Florida, Mexico, Central and South America, Caribbean Islands
Killing for hides, habitat destruction
Komodo Dragon (Varanus komodoensis)
VU
Indonesia
Competition for food supply
Lizard, Hierro giant (Gallotia simonyi)
CR
Hierro Island (Spain)
Introduced predators (cats and dogs)
Olm (Proteus anguinus)
VU
Bosnia and Herzegovina, Croatia, France, Italy, Slovenia
Overcollection, water pollution
Platanna, Cape (Xenopus gilli)
EN
South Africa
Precise habitat preferences, hybridization
Salamander, Texas blind (Eurycea rathbuni)
VU
Texas
Habitat destruction (drainage of wetlands)
Toad, Houston (Bufo houstonensis)
EN
Texas
Habitat destruction, drought
Turtle, Kemp's Ridley sea (Lepidochelys kempii)
CR
Tropical and temperate Atlantic ocean
Overhunting for leather, overcollection of eggs for food
Extinct (EX): No reasonable doubt that the last individual of the species has died.
Extinct in the Wild (EW): Species only survives in cultivation, captivity, or as a naturalized population well outside of its native range.
Critically Endangered (CR): Species faces extremely high risk of extinction in the wild in the immediate future.
Endangered (EN): Species faces very high risk of extinction in the wild in the near future.
Vulnerable (VU): Species faces high risk of extinction in the wild in the medium-term future.
Lower Risk (LR): Species does not satisfy criteria for above categories, but may be near threatened or dependent on conservation activities for survival.
Source: 2004 World Conservation Union (IUCN) Red List of Threatened Species.
Species
Status
Range
Reasons for Decline
Catfish, Giant (Pangasianodon gigas)
CR
China, Laos, Myanmar, Thailand, Cambodia, Vietnam
Dam construction, fishing
Cod, Clarence River (Maccullochella ikei)
EN
Northeast New South Wales (Australia)
Habitat destruction, water pollution
Cui-ui (Chasmistes cujus)
CR
Nevada
Habitat destruction
Darter, Fountain (Etheostoma fonticola)
VU
Texas
Depletion of underground aquifer, habitat alteration
Galaxias, Swan (Galaxias fontanus)
CR
Tasmania
Introduced competitor species, logging
Minnow, Maluti (Pseudobarbus quathlambae)
CR
Lesotho
Habitat destruction (road and dam construction)
Pupfish, Devils Hole (Cyprinodon diabolis)
VU
Nevada
Habitat destruction
Sculpin, Pygmy (Cottus pygmaeus)
CR
Alabama
Restricted range, contamination of underground aquifer
Sucker, Shortnose (Chasmistes brevirostris)
EN
California, Oregon
Habitat destruction (dam construction)
Totoaba (Totoaba macdonaldi)
CR
Gulf of California (Mexico)
Overfishing, habitat alteration
Extinct (EX): No reasonable doubt that the last individual of the species has died.
Extinct in the Wild (EW): Species only survives in cultivation, captivity, or as a naturalized population well outside of its native range.
Critically Endangered (CR): Species faces extremely high risk of extinction in the wild in the immediate future.
Endangered (EN): Species faces very high risk of extinction in the wild in the near future.
Vulnerable (VU): Species faces high risk of extinction in the wild in the medium-term future.
Lower Risk (LR): Species does not satisfy criteria for above categories, but may be near threatened or dependent on conservation activities for survival.
Source: 2004 World Conservation Union (IUCN) Red List of Threatened Species.
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