Hatter (Alice's Adventures in Wonderland) door of his shop wearing a top hat. Sir John Tenniel is reported to have come to Oxford especially to sketch him for his illustrations. There is no evidence for this claim, however, in either Carroll's letters or diaries. In the chapter "A Mad Tea Party", the Hatter asks a much-noted riddle "why is a raven like a writing desk?" When Alice gives up trying to figure out why, the Hatter admits "I haven't the slightest idea!". Carroll originally intended the riddle to be without an answer, but after many requests from readers, he and others—including puzzle expert Sam Loyd—suggested
Chatham raven Remains of Chatham ravens are most common in coastal sites on the Chatham Islands. On the coast, it may have frequented the seal and penguin colonies or fed in the intertidal zone, as does the Tasmanian forest raven ("C. tasmanicus"). It may also have depended on fruit, like the New Caledonian crow ("C. moneduloides"), but it is difficult to understand why a fruit eater would have been most common in coastal forest and shrubland when fruit was distributed throughout the forest. Chatham raven The Chatham raven ("Corvus moriorum") is an extinct raven formerly native to the Chatham Islands (New Zealand).