okapi

okapi A large ruminant mammal, Okapia johnstoni, found in the rainforests of the Congo, related to the giraffe, but with a much shorter neck, a reddish brown coat and zebra-like stripes on its hindquarters.
1904, (w), "Reginald's Christmas Revel", Reginald:

I used to listen to him with a rapt attention that I thought rather suited me, and then one day I quite modestly gave the dimensions of an okapi I had shot in the Lincolnshire fens.