darter
1. [ noun ] (zoology) a person or other animal that moves abruptly and rapidly
Examples:

"squirrels are darters"

Related terms: animal dart
2. [ noun ] Last name, frequency rank in the U.S. is 30549
3. [ noun ] (zoology) fish-eating bird of warm inland waters having a long flexible neck and slender sharp-pointed bill
Synonyms: anhinga snakebird
Related terms: pelecaniform_seabird water_turkey genus_Anhinga