island tameness en · NOUN
Meanings
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(uncountable) An evolutionary trait found with island-dwelling animals, which when isolated on islands evolve the loss of timidity in the face of the unknown or predators.
The Anacapa deer mouse was a Channel Islands native, a Dumbo-eared, doe-eyed mouse with an endearing touch of island tameness.
2011, William Stolzenburg, Rat Island: Predators in Paradise and the World's Greatest Wildlife Rescue:
Coordinates
island dwarfism · island gigantism