PERSON@1 's Potoroo -LRB- Potorous gilbertii -RRB- is an MISC@1 marsupial , sometimes called a rat-kangaroo , that is critically endangered .

PERSON@1 's Potoroo -LRB- Potorous gilbertii -RRB- is an MISC@1 marsupial , sometimes called a rat-kangaroo .
