twitchers

/T W IH1 CH ER0 Z/
noun
  1. 1

    Someone or something that twitches.

  2. 2

    An eager birdwatcher who is willing to travel long distances to see rare species. (See the Wikipedia article for origin.)

Source: https://en.wiktionary.org/wiki/twitcher, https://en.wiktionary.org/wiki/twitchers