Example image of eyePlorer eyePlorer map for 'Extinction': Biology Ecology Organism Taxon Population bottleneck Range (biology) Fossil Lazarus taxon Ecological niche Evolution Speciation Living fossil Extinction event Holocene extinction Functional extinction Sexual reproduction Pseudoextinction Niles Eldredge Punctuated equilibrium Stephen Jay Gould Local extinction Wolf reintroduction Extant taxon Endangered species Threatened species Conservation status Extinct in the Wild International Union for Conservation of Nature Zoo Breeding program Reintroduction Small population size Zoology Keystone species Genotype Donkey Equus (genus) Horse Hyracotherium Zebra Evolution of the horse Reproduction Survival skills Habitat Pollution Toxicity Nature versus nurture Conservation biology Extinction vortex Climate change