Twitcher

Twitcher is British slang for a bird watcher, especially an over-enthusiastic one.
Found on http://www.probertencyclopaedia.com/browse/ZT.HTM

Twitcher

An obsessive birder who goes to great lengths to observe rare birds.
Found on http://earthdesign.ca/dict.html

Twitcher

• (n.) One who, or that which, twitches.
Found on http://thinkexist.com/dictionary/meaning/twitcher/

Twitcher

Obsessive list-keeping birder who goes after rare birds found by other people. Twitchers might cross half the country overnight to see one little nondescript bird sitting a kilometre out on a windswept beach. Twitchers all have huge lists that only impress other twitchers. Surprisingly, they are not always good at identifying birds, because they le...
Found on http://birding101.co.za/newbirder/birding-terms/
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