Genetic Analysis Resolves Decades-Old Tree-Kangaroo Species Mystery

Researchers at the Australian Museum have used DNA analysis to resolve an 88-year-old taxonomic question regarding tree-kangaroos. The study examined genetic material from museum specimens, including two animals historically classified as Dendrolagus deltae, described in 1936. The analysis revealed these specimens are genetically identical to Dendrolagus matschiei, indicating D. deltae is not a valid distinct species and that its reported collection location was incorrect. The research also provided new insights into the genetic relationships within the Goodfellow's tree-kangaroo group, revealing greater divergence between subspecies than previously understood. The findings contribute to better understanding of these elusive marsupials and support conservation efforts.