'The Keeper's Nightmare' (Punch, 1871)

From Ann C. Colley's Wild Animal Skins in Victorian Britain: Zoos, Collections, Portraits, and Maps (Ashgate/Routledge 2014). Click to embiggen. Caption: 'one of the officials at the Zoological Gardens has a bewildering nightmare. He dreams that all the animals have broken loose and swapped heads, and he doesn't know "what to feed with what".' I particularly like the Znakebra:

But the Boarstrich is also pretty cool: