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Description

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Female: 23-26 mm, Male: 19-22 mm. Dorsum dark brown (generally with light brown blotches). Belly and chest black with ocher blotches and a conspicuous reddish orange band under the thighs. Throat and gular region uniformly black, with a light spot on the chin.

Reference

Prigioni, C., and Arrieta, D. (1992). ''Descripción de la larva de Melanophryniscus sanmartini Klappenbach, 1968 (Amphibia, Anura, Bufonidae).'' Boletín de la Sociedad Zoológica del Uruguay, 7, 57-58.

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Distribution and Habitat

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The habitat for this species is the Uruguayan hills (North and Southeast).
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Life History, Abundance, Activity, and Special Behaviors

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These toads are explosive breeders (after heavy rains), and reproductive activity takes place between April to November.
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Life History, Abundance, Activity, and Special Behaviors

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The major threat to the populations of M. sanmartini is the habitat fragmentation and loss.
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Melanophryniscus sanmartini

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Melanophryniscus sanmartini (common name: San Martin redbelly toad) is a species of toad in the family Bufonidae. It is found in Uruguay and southernmost Brazil (Rio Grande do Sul).[2] Its natural habitats are grasslands and rocky outcrops. Reproduction takes place in small streams. It is threatened by habitat loss caused by exotic tree plantations.[1]

References

  1. ^ a b Esteban Lavilla, Jose Langone (2004). "Melanophryniscus sanmartini". IUCN Red List of Threatened Species. 2004: e.T54828A11211264. doi:10.2305/IUCN.UK.2004.RLTS.T54828A11211264.en. Retrieved 17 November 2021.
  2. ^ Frost, Darrel R. (2015). "Melanophryniscus sanmartini Klappenbach, 1968". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 13 August 2015.
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Melanophryniscus sanmartini: Brief Summary

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Melanophryniscus sanmartini (common name: San Martin redbelly toad) is a species of toad in the family Bufonidae. It is found in Uruguay and southernmost Brazil (Rio Grande do Sul). Its natural habitats are grasslands and rocky outcrops. Reproduction takes place in small streams. It is threatened by habitat loss caused by exotic tree plantations.

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