Endangered Species Friday: Dendrolagus dorianus | Cuddly Teddy Bear Facing Extinction.
Endangered Species Friday: Dendrolagus dorianus
This Friday’s (Endangered Species Post) [E.S.P] I touch up on this rather unusual species of tree kangaroo that’s rarely mentioned within the world of conservationism. Furthermore I also wish to set the record straight about these wonderful and utterly adorable species of mammals which many people seem to believe are endemic ‘just to Australia’. This particular species is actually native to Papua New Guinea, generically identified as Dendrolagus dorianus. (Image credits: Daniel Heuclin).
Listed as (vulnerable), the species was primarily identified by Dr Edward Pierson Ramsay (3 December 1842 – 16 December 1916). Dr Ramsay was an Australian zoologist who specialized in ornithology. Among organisms Dr Ramsay named are the pig-nosed turtle, giant bandicoot, grey-headed robin and Papuan king parrot.
D. dorianus lives within a country of immense cultural and biological diversity. A country known for its beaches, coral reefs and scuba diving. Not forgetting the countries inland active volcanoes. Locals commonly identify the animal as the; Doria’s tree kangaroo or the unicolored tree kangaroo. Doria’s tree kangaroo is within the order of Diprotodontia, and the family identified as Macropodidae.
Since 1982 to 1994 the species has remained at [vulnerable level] of which back in 1996 a further assessment of the species noted a possible population decline. The decline prompted environmentalists to notch the species further up the list of [vulnerable species]. However a survey in 2008 concluded the species hadn’t as yet qualified for any further threatened status (E.g) endangered (which would unfortunately be the next listing should threats not decline in the wild).
Scientific research and population evaluations have shown a staggering 30% decline of overall wild populations which is quite a large population decrease, although “allegedly not concerning enough as yet to reclassify this particular specimen as endangered”. Yes its unfortunate that the current news relating to (decreasing populations), is indeed factual, and its likely (as explained), that should threats in the wild not decrease anytime soon, we could see a new extinction occurring in as little as ten years “if not sooner”. Populations are not known to be ‘fragmented’.
Image: Rare glimpse of the Doria Tree Kangaroo.
Identified in 1883 there are very few conservation actions actually known that could help increase declining population sizes which I myself find somewhat frustrating, not to mention perplexing, especially when one takes into consideration the current level of threats associated with this specie in Papua New Guinea.
Research proves the species inhabits some several protected national parks [NP’s], unfortunately extreme hunting activities I.e illegal poaching is still ongoing. While Anti Poaching Operations [APU’s] do exist, the fact of the matter is that Cites (The Convention on International Trade of Endangered Species Wild Flora and Fauna), still hasn’t listed the species as (protected or endangered) on either Appendix I or Appendix II.
Image: Extinction may occur in a decade of not sooner.
To date the current population level is unknown, furthermore reproduction is also believed to be incredibly low and poor.
MAJOR THREATS
Known threats relate to the bush meat trade, which if not controlled will unfortunately push the species into extinction. Hunting with dogs, unregulated/illegal hunting is quite high and problematic within the region. Finally the species absolutely hates canines of which when threatened emits depressed vocalizations. Future threats have been identified as habitat loss and degradation.
The Doria’s tree kangaroo lives at elevations of some 600-3,650 meters of which is mostly nocturnal and a solitary animal. Dr Ramsay named the species after Professor Marquis Giacomo Doria (1 November 1840 – 19 September 1913) whom was an Italian naturalist, botanist, herpetologist, and politician of Italy.
Doria’s tree kangaroo is probably one of the largest species of tree kangaroos on the planet, although this is somewhat debatable. Weighing in at 6.5-14.5 kilograms, length is around 60-80 centimeters, with a tail length of some 40-70 centimeters. With a large tail, dense black and brown fur, large powerful claws and stocky build, the appearance of this specific animal almost appears to look like a medium sized bear.
Diet consists of leaves, flowers, fruits and buds, there is no evidence that suggests or points to any form of meat eating either. Gestation period of females is around thirty days, of which the ‘single young baby’ will remain in mothers pouch for around ten months.
There really is limited information about this specific species which could be due to the fact the species is actually very rare, nocturnal, and lives at moderate to high elevations within dense montane forests. I am asking the public to please share this article far and wide to help us push more awareness of this species into the public domain, which we hope will encourage (Cites) to protect the species sooner rather than later.
This article is dedicated to Ms Toni Devine, a wonderful young lady that absolutely adores these wonderful species of animals, who wouldn’t adore them, they are truly remarkable, intelligent, and in way more like cuddly teddy bears.
Chief Environmental & Botanical Officer
Dr Jose C. Depre
Environmental Crimes Investigator
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