noun
- plural of blackpoll; small North American warblers with black caps on the males during breeding season
Usage: ornithology
Examples
- The blackpolls migrate thousands of miles from Alaska to South America.
- Birdwatchers gathered to observe the blackpolls during their fall migration.
- Male blackpolls develop distinctive black caps during breeding season.
- The blackpolls stopped to feed in the coastal trees before continuing south.
- Scientists have tracked blackpolls making non-stop flights over the Atlantic Ocean.
- These blackpolls weigh less than half an ounce but travel incredible distances.