Top Definition
Alternate name for the black-capped chickadee. Named after Nelson Muntz, the bully on the Simpsons with the lackadasical and mocking laugh: "Ha-ha." The black-capped chickadee has two songs, the familiar 'chick-a-dee-dee-dee!' and a song that sounds like Nelson's 'Ha-ha." laugh. Listen here: http://www.learnbirdsongs.com/birdsong.php?id=12
Chris: Hey! That bird sounds just like Nelson on the Simpsons!
Mary: Yeah, that's The Nelson Bird! I think it's real name is the chickadee.
by ocius1 April 21, 2009

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