Dendrolagus mayri Rothschild & Dollman, 1933

Wondiwoi tree-kangaroo



Taxonomy & Nomenclature

Synonym/s: Dendrolagus dorianus mayri Rothschild & Dollman, 1933


Conservation Status


Last record: 1928 (Fisher & Blomberg, 2012; Lee et al., 2017)

IUCN RedList status: Critically Endangered (Possibly Extinct)


The only known specimen of the Wondiwoi tree-kangaroo was collected by Ernst Mayr in 1928. It has not been officially recorded since, however, several photographs taken by Michael Smith in July 2018 may refer to this species (Pickrell, 2018).



Wondiwoi Peninsula, New Guinea


Biology & Ecology




Holotype: BM1939.2931 (adult male)

Only known from the holotype collected by Ernst Mayr in 1928.






Original scientific description:

Rothschild, W. and Dollman, G. (1933/6). The genus Dendrolagus. Trans. Zool. Soc. Lond. 21: 477-548.


Other references:

Fisher, Diana O. and Blomberg, Simon P. (2012). Inferring Extinction of Mammals from Sighting Records, Threats, and Biological Traits. Conservation Biology 26(1): 57-67.

Flannery, T.F. 1995. The Mammals of New Guinea, 2nd edition. Reed Books, Sydney, Australia.

Groves, C.P. 2005. Order Diprotodontia. In: D.E. Wilson and D.M. Reeder (eds), Mammal Species of the World, pp. 43-70. The Johns Hopkins University Press, Baltimore, Maryland, USA.

Helgen, K. M. 2007. A Taxonomic and Geographic Overview of the Mammals of Papua. In: A. J. Marshall and B. M. Beehler (eds), The Ecology of Papua, pp. 689-749. Periplus Editions, Singapore.

Holmes, Branden. (2021). What's Lost and What Remains: The Sixth Extinction in 100 Accounts (eBook). Self published.

Laurie, Eleanor Mary Ord and Hill, John Edwards. (1954). List of Land Mammals of New Guinea, Celebes and Adjacent Islands, 1758-1952. London: British Museum (Natural History).

Leary, T., Seri, L., Flannery, T., Wright, D., Hamilton, S, Helgen, K., Singadan, R., Menzies, J., Allison, A. & James, R. 2016. Dendrolagus mayri. The IUCN Red List of Threatened Species 2016: e.T136668A21956785. Downloaded on 06 May 2018.

Lee, T. E., Fisher, D. O., Blomberg, S. P. and Wintle, B. A. (2017). Extinct or still out there? Disentangling influences on extinction and rediscovery helps to clarify the fate of species on the edge. Global Change Biology 23(2): 621-634.

Pickrell, John. (25 September 2018). Rare Tree Kangaroo Reappears After Vanishing for 90 Years. National Geographic. Accessed 25 September 2018.


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