1. small freshwater fish that dart quickly through the water, typically found in North American streams
Usage: zoology
2. large waterbirds with long necks and sharp bills that dive underwater to catch fish
Usage: also called anhingas or snakebirds

Examples

• The biologist studied several species of darters in the mountain stream.
• Darters are important indicators of water quality in freshwater ecosystems.
• We spotted darters swimming near the rocky bottom of the creek.
• The endangered darter species requires clean, fast-flowing water to survive.
• Darters spread their wings to dry after diving for fish.
• The large darters perched on branches overhanging the swamp.
• Unlike cormorants, darters have longer, thinner necks and bills.