Reverting to type.
Chatty ostrich courtesy of Nagyman, smiler courtesy of jimbowen0306 and head in sand courtesy of blakeimeson. This work is covered by the same Creative Commons Licence.
Fish courtesy of Kurt Koller (live) and f10n4 (battered). Cartoon available under this Creative Commons Licence.
XKCD in the round.
Original images by mot the hoople are available here and here under a Creative Commons Licence, and so it follows that this work is available under the same licence.
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