Post Date : 23/02/2017
Scientists have discovered four new species of miniature night frogs no bigger than a human thumbnail in Western Ghats, a global biodiversity hotspot. These species were discovered among the seven new ‘Night Frogs’ by a team of researchers from the University of Delhi and Kerala Forest Department.
Four new species of miniature night frogs are (i) Athirappilly Night Frog: It was discovered close to the Athirappilly waterfalls. (ii) Sabarimala Night Frog: It was discovered near the Sabarimala hill shrine. (iii) The Radcliffe’s Night frog and (iv) Kadalar Night Frog: They were reported from plantation areas. Night Frogs belong to the Nyctibatrachus genus, endemic to the Western Ghats. They make a distinctive chirping sound comparable to that of a cricket. These tiny amphibians are present in abundance in the region but were overlooked in the past because of their extremely small size, secretive habitats and insect-like calls. They were confirmed as the new species with the help of integrated taxonomic approach that included DNA studies, detailed bioacoustics and morphological comparisons. Threats: Over 32% of the frog species in the Western Ghats are threatened with extinction. Out of the seven new species, 5 face considerable anthropogenic extinction threats and require immediate conservation. Ancient Group: Night Frogs represent an ancient group of frogs that diversified on the Indian landmass approximately 70 to 80 million years ago.
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