from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. The capacity or tendency of an organism or a species to move about or disperse in a given environment.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The degree to which an organism or taxon can or does move or spread within an environment.


Sorry, no etymologies found.


  • One suggests that fire-induced population turnover and fragmentation, in combination with edaphic specialization and low vagility, is the driving force behind speciation.

    Lowland fynbos and renosterveld

  • It seems like it would be substantial, but it probably is only great for 1) creatures that live very close to high-traffic, high-speed areas it isn't hard to avoid squirrels, etc., on suburban streets when you're only driving 25 mph, though snails are a different story) and/or 2) creatures that have high vagility.

    16 dead in Ohio


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