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Andean rainfrog (Pristimantis) with the ability to change skin texture

3/25/2015

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Imagen
Photo: Left: Juan Guayasamin; right: Lucas Bustamante, Zoological Journal of the Linnean Society
Scientists have discovered a frog in Ecuador that can rapidly change skin texture from smooth to spiny. Researchers from Reserva Las Gralarias, Universidad Indoamérica and Tropical Herping in Ecuador revealed their findings in the Zoological Journal of the Linnean Society, challenging the traditional scientific knowledge and underscoring the critical need for habitat protection in the Ecuadorian Andes. Farming practices, urban sprawl and mining continue to put pressure on the Ecuadorian cloud forests.

The Mutable rainfrog (Pristimantis mutabilis), was the first species to do something no other vertebrate has been documented to do, change texture from smooth to spiky within minutes, discovered in 2006 by Katherine Krynak, a PhD student at Case Western Reserve University and her husband Tim Krynak, project manager at Cleveland Metroparks Natural Resources Division.
Los científicos han descubierto una rana en Ecuador que puede cambiar rápidamente la textura de su piel de suave a espinosa. Investigadores de la Reserva de Las Gralarias, Universidad Indoamérica y Tropical Herping en Ecuador revelaron sus hallazgos en el Zoological Journal of the Linnean Society desafiando el conocimiento científico tradicional y subraya la necesidad crítica de protección del hábitat en los Andes ecuatorianos. Las prácticas agrícolas, la expansión urbana y la minería siguen poniendo presión sobre los bosques nublados del Ecuador.

La llamada Rainfrog Mutable (Pristimantis mutabilis), fue la primera especie en hacer algo que ningún otro vertebrado se ha documentado que puede hacer, un cambio de textura de suave a puntiagudo en cuestión de minutos, descubiertas en 2006 por Katherine Krynak, un estudiante de doctorado en la Case Western Reserve University y su esposo Tim Krynak, gerente de proyectos de la División de Recursos Naturales Metroparks Cleveland.
Imagen
Photo: Zoological Journal of the Linnean Society
Source:
amphibians.org
onlinelibrary.wiley.com (Open source, free article on PDF)



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