Scientists Find Shocking New Snake Species in Philippines
Photographs of the Waray dwarf burrowing snake (Levitonius mirus): holotype (A) and paratypes (B and C). Scale bars – 10 mm (thick) and 1 mm (thin). Image credit: Weinell et al., doi: 10.1643/CH2020110.
The Waray dwarf burrowing snake lives a fossorial lifestyle and likely has a diet that is specialized on earthworms or other limbless invertebrates.
It has a maximum total length of 17.2 cm (6.8 inches), making it the smallest known species in the snake superfamily Elapoidea.
“The Waray dwarf burrowing snake has among the fewest number of vertebrae of any snake species in the world, which is likely the result of miniaturization and an adaptation for spending most of its life underground,” said Jeff Weinell, a doctoral candidate in the Department of Ecology and Evolutionary Biology and the Biodiversity Institute at the University of Kansas.
In the study, Weinell and colleagues obtained and analyzed genetic and morphological data from the mysterious snake.
They also used CT scanning to get a more precise look at its internal anatomy.
They found that the snake has a reduced number of scales on the head, heavily ossified skull, smooth and iridescent scales, small eyes and nostrils, and small neural spine of vertebrae.
“The discovery tells us that there is still so much more to learn about reptile biodiversity of the southern Philippines by focusing intently on species-preferred microhabitats,” said Dr. Marites Bonachita-Sanguila, a biologist in the Biodiversity Informatics and Research Center at Father Saturnino Urios University.
“Habitat loss as a result of human-mediated land use, such as conversion of forested habitats for agriculture to produce food for people, is a prevailing issue in Philippine society today.”
“This new information, and what we will learn more in future studies of this remarkable little creature, would inform planning for conservation action, in the strong need for initiatives to conserve Philippine endemic species — even ones we seldom get to see.”
“We need effective land-use management strategies, not only for the conservation of celebrated Philippine species, like eagles and tarsiers, but for lesser-known, inconspicuous species and their very specific habitats — in this case, forest-floor soil, because it’s the only home they have.”
The discovery is reported in the journal Copeia.
Jeffrey L. Weinell et al. 2020. A New, Miniaturized Genus and Species of Snake (Cyclocoridae) from the Philippines. Copeia 108 (4): 907-923; doi: 10.1643/CH2020110
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