noun
- seabirds of the family Alcidae, including auks, murres, puffins, and guillemots
Usage: ornithology
Examples
- Alcids are well-adapted for diving and swimming underwater.
- The Atlantic puffin is one of the most recognizable alcids.
- Many alcids nest in large colonies on coastal cliffs.
- Alcids use their wings to propel themselves through water.
- The great auk was the largest of the alcids before its extinction.
- Researchers study alcids to understand seabird ecology.