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Search for Lost Species > Most Wanted > Wondiwoi Tree Kangaroo

Wondiwoi Tree Kangaroo illustration
IUCN Red List threat categories.

Wondiwoi Tree Kangaroo

SCIENTIFIC NAME: DENDROLAGUS MAYRI
LAST SEEN: 1928 IN INDONESIA
YEARS LOST: 90
CRITICALLY ENDANGERED

 

Update: In 2018, a tourist in West Papua took low-quality photos of a species that could possibly be the Wondiwoi Tree Kangaroo. GWC is in the process of preparing an expedition with local conservation partners to verify the sighting and to confirm that it is, indeed, this lost kangaroo species. It is imperative that conservation measures are put in place to protect the species once the rediscovery is confirmed through scientific techniques, such as DNA sampling with appropriate permits.

The mystery surrounding this lost species has taken on legendary proportions. When the kangaroo was found in the Wondiwoi Peninsula of West Papua in mossy montane forests at an elevation of 1,600 meters, scientists couldn’t figure out how it came to inhabit the higher parts of the Wondiwoi Peninsula—the answer remains elusive as an enduring “zoo-geographical mystery.” Everything we know about the Wondiwoi Tree Kangaroo comes from a single individual, an adult male collected in 1928 by one of the world’s leading evolutionary biologists, Ernst Mayr.

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