Listed and Sensitive Species in Sierra County

Total number of species: 32

Yellow-billed cuckoo	Coccyzus americanus	Bird	Candidate
Rio Grande cutthroat trout	Oncorhynchus clarki virginalis	Fish	Candidate
Northern aplomado falcon	Falco femoralis septentrionalis	Bird	Endangered
Southwestern willow flycatcher	Empidonax traillii extimus	Bird	Endangered
Rio Grande silvery minnow ³	Hybognathus amarus	Fish	Endangered
Black-footed ferret ²	Mustela nigripes	Mammal	Endangered
Gray Wolf (Mexican Gray Wolf)	Canis lupus baileyi	Mammal	Endangered
Todsen's pennyroyal Designated Critical Habitat	Hedeoma todsenii	Plant	Endangered
Chiricahua leopard frog	Rana chiricahuensis	Amphibian	Threatened
Mexican spotted owl Designated Critical Habitat	Strix occidentalis lucida	Bird	Threatened
Gila trout	Oncorhynchus gilae	Fish	Threatened

Desert viceroy butterfly	Limenitis archippus obsoleta	Arthropod - Invertebrate	Species of Concern
American peregrine falcon	Falco peregrinus anatum	Bird	Species of Concern
Arctic peregrine falcon	Falco peregrinus tundrius	Bird	Species of Concern
Baird's sparrow	Ammodramus bairdii	Bird	Species of Concern
Bell’s vireo	Vireo bellii	Bird	Species of Concern
Black tern	Chlidonias niger	Bird	Species of Concern
Mountain plover	Charadrius montanus	Bird	Species of Concern
Northern goshawk	Accipiter gentilis	Bird	Species of Concern
Western burrowing owl	Athene cunicularia hypugaea	Bird	Species of Concern
Desert sucker	Catostomus clarki	Fish	Species of Concern
Sonora sucker	Catostomus insignis	Fish	Species of Concern
White Sands pupfish	Cyprinodon tularosa	Fish	Species of Concern
Black-tailed prairie dog ¹	Cynomys ludovicianus	Mammal	Species of Concern
Organ Mountains Colorado chipmunk	Eutamias quadrivittatus australis	Mammal	Species of Concern
Southwestern otter	Lutra canadensis sonorae	Mammal	Species of Concern
Townsend's big-eared bat	Corynorhinus townsendii	Mammal	Species of Concern
White Sands woodrat	Neotoma micropus leucophaea	Mammal	Species of Concern
Mineral Creek mountainsnail	Oreohelix pilsbryi	Mollusc - Invertebrate	Species of Concern
Duncan's pincushion cactus	Coryphantha duncanii	Plant	Species of Concern
Pinos Altos flame flower	Talinum humile	Plant	Species of Concern
Sandhill goosefoot	Chenopodium cycloides	Plant	Species of Concern

Endangered	Any species which is in danger of extinction throughout all or a significant portion of its range.	Threatened	Any species which is likely to become an endangered species within the foreseeable future throughout all or a significant portion of its range.
Candidate	Candidate Species (taxa for which the Service has sufficient information to propose that they be added to list of endangered and threatened species, but the listing action has been precluded by other higher priority listing activities).	Proposed	Any species of fish, wildlife or plant that is proposed in the Federal Register to be listed under section 4 of the Act. This could be either proposed for endangered or threatened status.
Species of Concern	Taxa for which further biological research and field study are needed to resolve their conservation status OR are considered sensitive, rare, or declining on lists maintained by Natural Heritage Programs, State wildlife agencies, other Federal agencies, or professional/academic scientific societies. Species of Concern are included for planning purposes only.

Foot Notes:
D	Designated Critical Habitat.	P	Proposed Critical Habitat.
1	Introduced population.	3	Extirpated in this county.
2	Survey should be conducted if project involves impacts to prairie dog towns or complexes of 200-acres or more for the Gunnison's prairie dog (Cynomys gunnisoni) and/or 80-acres or more for any subspecies of Black-tailed prairie dog (Cynomys ludovicianus). A complex consists of two or more neighboring prairie dog towns within 4.3 miles (7 kilometers) of each other.