The finger and toe tips bear distinct but only slightly enlarged discs.

The dorsum is brown, becoming noticeably darker on the top and sides of the head and tympanum.

The dorsolateral folds are darker brown than the surroundings, as are the low pustules of the back and sides.

[2] Xenorhina parkerorum occurs at elevations of 1,280–2,000 m (4,200–6,560 ft) above sea level.

It is uncommon and difficult to find; its specific habitat is unknown, but it is believed to live on the tropical rainforest floor.