The Luzon Bullimus is a large rodent endemic to Luzon. It has a short, white-tipped tail and long hind feet, while much of its ecology remains poorly known.
It is large-bodied, with a relatively short white-tipped tail, long hind feet, and an elongated head.
It has been recorded in different Luzon forest habitats from about 30 to 2,400 m. Diet data are sparse: plant material appeared in most specimens examined at Mt. Data, while a specimen from secondary forest contained plant matter and insects.
An extinction-risk assessment has not been added yet.