Intelligence
See also: Animal cognitionVaranid lizards are very intelligent, and some species can even count. Careful studies feeding V. albigularis at the San Diego Zoo varying numbers of snails showed that they can distinguish numbers up to six. V. niloticus lizards have been observed to cooperate when foraging. One varanid lures the female crocodile away from her nest, while the other opens the nest to feed on the eggs. The decoy then returns to also feed on the eggs. Komodo dragons, V. komodoensis, at the National Zoo in Washington, D.C., recognize their keepers and seem to have distinct personalities.
Read more about this topic: Monitor Lizard
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—Laurence Sterne (1713–1768)