No specimens were found in surveys but this may be more indicative of the rarity of the animal Patient than any possible decline or extirpation of the local population. [ Threatened_and_Endangered_Species_of_Mexico 0 MCLH 21/03/2017 ]

Population surveys and ecological studies of the species should be encouraged although, due to the rarity of this bat Patient , such studies would probably best be done as part of a multi-species survey effort for bats in southwestern New Mexico. [ Threatened_and_Endangered_Species_of_Mexico 0 MCLH 21/03/2017 ]

based on studies of the domestication of plants and animals, argued that the rarity of species suitable for domestication Patient and their occurrence in just a few parts of the world, determined the limited number of locations in which major civilizations could arise. [ PANACEA 3110 0 MCLH 21/03/2017 ]