In other species: dog

Mendelian trait/disorder: unknown

Considered a defect: no

Species-specific description: A koala with heterochromia was taken to the Australia Zoo Wildlife Hospital on the Sunshine Coast after being hit by a car. For a report, see

http://www.abc.net.au/news/2016-07-12/rare-koala-with--two-different-eye-colours--found-queensland/7589218