darter

noun

1. fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill

   noun.animal

   Synonyms anhinga snakebird

   Source: WordNet 3.0

2. a person or other animal that moves abruptly and rapidly

   noun.animal

   Examples

   Squirrels are darters.

   Source: WordNet 3.0

3. One who darts, or who throw darts; that which darts.

   noun

   Source: webster1913