As we celebrate Earth Day, we can't forget about the other lives that take up our planet. About 1,500 species are listed as endangered or threatened in or near the United States, according to the U.S. Fish & Wildlife Service's Environmental Conservation Online System.
AP Photo/Pat Wellenbach
The rusty patched bumble bee (Bombus affinis) was listed as endangered on Feb. 10, 2017, according to the U.S. Environmental Conservation Online System. Rusty patched bumble bees once occupied grasslands and tall grass prairies of the Upper Midwest and Northeast, but most grasslands and prairies have been lost, degraded or fragmented by conversion to other uses.
Wisconsin Department of Natural Resources via AP, File
The northern long-eared bat (Myotis septentrionalis) was listed as threatened on May 4, 2015. Federal officials issued regulations designed to protect the species, one of several types of bat that have suffered steep declines because of a rapidly spreading fungal disease.
AP Photo/Cornell Lab of Ornithology, J.R. Woodward, File
The red knot (Calidris canutus rufa) was listed as threatened on Jan. 12, 2015. States from Maryland to New York have joined with environmental groups to try to protect the bird by reducing the number of horseshoe crabs taken by commercial fisherman. The birds feast on the crabs' eggs during their migration from South America to Canada.
Bjorn Lardner via FWS
Slevin's skink (Emoia slevini) was listed as endangered on Nov. 2, 2015. The reptile's biggest threats are rats, typhoons, brown tree snakes and monitor lizards.
AP Photo/Itsuo Inouye
The green sawfish (Pristis zijsron) was listed as endangered on Jan. 12, 2015. Narrow sawfish, dwarf sawfish and smalltooth sawfish are also listed on the endangered species list by the Environmental Conservation Online System.
The humped Tree snail (Partula gibba) was listed as endangered on Nov. 2, 2015. Agriculture and urban development, rats, pigs and non-native plants are some of the elements that threaten the snails.
FWS via Flickr
The Rota blue damselfly (Ischnura luta) was listed as endangered on Nov. 2, 2015. Ongoing threats for the Rota blue damselfly are habitat loss and degradation due to development, military activities and urbanization, according to the federal register.
The Roy Prairie pocket gopher (Thomomys mazama glacialis) was listed as threatened on May 9, 2014. Each pocket gopher has two fur-lined check pouches, extending from the lower portion of its face to its shoulders. These pouches are used to transport food, and can be turned completely inside out.
Stacey Stanford/U.S. Fish and Wildlife Service via AP
The New Mexico meadow jumping mouse (Zapus hudsonius luteus) was added to the endangered animal list on July 10, 2014. The federal government has set aside nearly 22 square miles across three western states as critical habitat for the rare mouse that has already pitted ranchers against the U.S. Forest Service in New Mexico.
AP Photo/David Zalubowski
The Gunnison sage-grouse (Centrocercus minimus) was listed as threatened on Dec. 22, 2014. The Bureau of Land Management released a nearly 1,000-page document late Thursday, Aug. 11, 2016, proposing restrictions on energy development, roads and grazing to protect the rare grouse, a bird found only in Colorado and Utah.
AP Photo/Point Blue Conservation Science, Mark Dettling
The yellow-billed cuckoo (Coccyzus americanus) was listed as threatened on Nov. 3, 2014. The migratory bird, which otherwise lives in Latin America, has seen its population dwindle in the past few decades because its habitats have been marred.
U.S. Fish and Wildlife Service via AP, File
The lesser prairie-chicken (Tympanuchus pallidicinctus) was listed as threatened in May 2014, but the chicken's status is now under review. A federal court in Texas on Tuesday, Sept. 1, 2015, has vacated Endangered Species Act protections for the lesser prairie chicken, a victory for oil and gas companies that argued conservation efforts are working.
Tom Brennan via FWS
The narrow-headed gartersnake (Thamnophis rufipunctatus) was listed as threatened on July 8, 2014. The snake is known or believed to reside in Arizona, New Mexico and Mexico.
Rob Grasso/NPS via FWS
The Yosemite toad (Anaxyrus canorus) was listed as threatened on June 30, 2014. Threats to the toad include destruction, modification and curtailment of the species' habitat and range.
The Georgetown salamander (Eurycea naufragia) was listed as threatened on March 26, 2014. A window of opportunity exists to design and implement measures to protect water quality in Georgetown, Texas, and conserve the salamander, according to the federal register.
The mountain yellow-legged frog (Rana muscosa) was listed as endangered in northern California on June 30, 2014. It was also listed as endangered in southern California in July 2002.
The Oregon spotted frog (Rana pretiosa) was listed as threatened on Sept. 29, 2014. An analysis by the Department of Interior found that property inhabited by a threatened or endangered species, or which lies within a critical habitat designation, could have a lower market value than an identical property that is not inhabited by the species or that lies outside of critical habitat.
The Dakota skipper butterfly (Hesperia dacotae) was listed as threatened on Nov. 24, 2014.
The Florida leafwing butterfly (Anaea troglodyta floridalis) was listed as endangered on Sept. 11, 2014. The Florida leafwing lives only within pine rocklands that retain its hostplant, Pineland croton. Pineland croton, a subtropical species of Antillean origin, is the only known host plant for the leafwing.
The Poweshiek skipperling (Oarisma poweshiek) was listed as endangered on Nov. 24, 2014.
Bartram's hairstreak butterfly (Strymon acis bartrami) was listed as endangered on Nov. 11, 2014.