Подробнее о разных уровнях самосознания см.: Gregg, Are Dolphins Really Smart?, 59–66.
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Carolyn R. Raby et al., ‘Planning for the Future by Western Scrub Jays’, Nature 445:7130 (2007), 919–921.
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Michael Balter, ‘Stone-Throwing Chimp is Back – And This Time It’s Personal’, Science, 9 May 2012, accessed 21 December 2014,http://news.sciencemag.org/2012/05/stone-throwing-chimp-back-and-time-its-personal; Sara J. Shettleworth, ‘Clever Animals and Killjoy Explanations in Comparative Psychology’, Trends in Coginitive Sciences 14:11 (2010), 477–481.
