Endangered Species Monday: Leptobrachium leucops | Yin and Yang

Endangered Species Monday: Leptobrachium leucops

This Monday’s (E.S.P) Endangered Species watch Post I document on this utterly stunning species of Asiatic toad, which some people believe is possibly a frog. Before reading any further, please check out this toads amazing eyes, stunning don’t you think? The species was “allegedly identified back in 2011” by an environmentalist identified only as Dr Stuart Rowley. Welcome to the Yin and Yang Frog.

Evidence tracking shows that a “Dr John Stuart Rowley, 1907-1968 whom I believe was an ornithologist from the United States, may have been the primary ‘herpetologist that located and documented on the species above’, however I believe that I am still slightly wrong on this and that Dr Jodi Rowley can shed more information on this amazing reptilian. Image credit: Mme Dr Jodi Rowley.

Listed as vulnerable due to the species living within a small habitat estimated to be 7,617 km2, the L. leucops is endemic to Viet Nam, South East Asia, furthermore there are no records that prove the species is used within the Asiatic medicine trade known as (TCM), Traditional Chinese Medicine. Populations are now known to be decreasing primarily due to the illegal and unregulated trade of timber, which is growing rapidly out of control within Viet Nam, Thailand and China.

Leptobrachium leucops  is now known to be residing within only ten locations in Viet Nam, and to be honest there is little known about this elusive reptilian other than a handful of threats, and its identified habitat which is somewhat frustrating as the species is rapidly dwindling into I believe extinction. Experts “rediscovered this rather unusual toad within the Bidoup Núi Bà National Park, Viet Nam, South East Asia back in 2011, the scientists were from America, Australia and Viet Nam.”

The common name for this species as you may already have noticed by its utterly peculiar eyes is - The Yin and Yang Toad, although some reports have suggested that the “Yin and Yang Toad” is possibly a “Yin and Yang Frog”. Please view the image below.

Image Credit. Dr Jodi Rowley, Yin and Yang Toad/Frog?

The DINews.com, Viet Nam stated “When it comes to frogs in the genus Leptobrachium, the eyes have it. Among its more than 20 species, there is a remarkable variety of eye colouration. Leptobrachium leucops or Yin and Yang frog, discovered in 2011 in the wet evergreen and cloud forest in southern Vietnam, is distinguished by its striking black and white eyes”…

NB: There doesn’t seem to be any scientific reference that suggests this species is a toad or frog. The SSC Amphibian Specialist Group merely states “species” rather than “frog or toad”. 

The Yin and Yang reptilian resides at high altitudes in montane tropical forest of which the reptilians diet compromises mainly grubs, flies, worms and grasshoppers. Leptobrachium leucops is like most frogs and toads carnivorous and will occasionally also consume small amounts of meat.  The species is not known to a be a migrant either.

As explained above populations are known to be on the decline, however until further research is undertaken its unsure as to what extent declines are. The SSC Amphibian and Reptilian Group was quoted “Further research is required to determine this species’ actual range and abundance, but due to ongoing habitat loss and fragmentation, its population is suspected to be decreasing”…

Image Credit: Dr Jodi Rowley / Panda.org 

MAJOR THREATS

The harvest of timber and non-timber forest products are likely to result in some habitat loss and modification, which is a potential threat to the species. The construction of a road through Bidoup-Nui Ba National Park may serve as a barrier to dispersal and is likely to increase habitat disturbance.

It’s unsure what the future holds for this rather unusual reptilian due to limited research since 2011. The species as we know it is listed as vulnerable, and should further research show a continued increase in relation to logging and habitat disturbances, its likely the species may be re-listed as (endangered). We can only hope that the team of American, Australian and Vietnamese scientists that allegedly discovered the species back in 2011 - can shed more light on this rather unusual reptilian.

This is the shortest and limited (detailed) article I do believe I have ever written regarding anyone of the animals within the I.A.R.F. Endangered Species watch Post articles printed every Monday and Friday. One does have to take their hat off though this truly spectacular species of reptile, those eyes are just utterly amazing, and is this where the “Yin and Yang Asiatic designs” originated from? Have a great Monday..

Thank you for reading. 

Chief Environmental Officer and Executive Officer. 

International Animal Rescue Foundation. 

Dr Jose C. Depre  PhD. MEnvSc. BSc(Hons) Botany, PhD(NeuroSci) D.V.M.

Environmental & Human Science

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