Small mammal

The Etruscan shrew, an especially small mammal

Small mammals or micromammals are a subdivision of mammals based on their body mass and size. Different values have been used as the upper limit. The International Biological Programme has defined small mammals as species weighing up to 5 kg.[1][2][3] Alternatively, the International Union for Conservation of Nature (IUCN) groups the orders of rodents, tree shrews and eulipotyphlans (insectivores) together under the term small mammals.[4]

A significant majority of mammal species falls into the category of small mammals.[1][2] They are found in a great range of habitats and climate zones.[3]

  1. ^ a b Morand, Serge; Krasnov, Boris R.; Poulin, Robert; Degen, A. Allan (2006). "Micromammals and macroparasites: Who is who and how do they interact". In Morand, Serge; Krasnov, Boris R.; Poulin, Robert (eds.). Micromammals and Macroparasites: From Evolutionary Ecology to Management. Springer Science. pp. 4–5. ISBN 978-4-431-36024-7.
  2. ^ a b Fleming, Theodore H. (1979). "Life-history strategies". In Stoddart, D. Michael (ed.). Ecology of small mammals. Chapman and Hall. p. 1. doi:10.1007/978-94-009-5772-5. ISBN 978-94-009-5774-9. S2CID 30468834.
  3. ^ a b Merritt, Joseph F. (2010). The Biology of Small Mammals. Baltimore: The Johns Hopkins University Press. pp. 1–3. ISBN 978-0-8018-7950-0.
  4. ^ "Small Mammals". Small Mammal Specialist Group (SMSG). Retrieved April 13, 2022.

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