poorwill
/ˈpʊrˌwɪl/
noun
- A small nocturnal bird of the nightjar family, found in western North America, known for its soft, whistled call and its ability to enter a state of torpor (deep sleep) during cold weather.
- Unlike most birds, the poorwill can lower its body temperature and sleep for weeks in cold weather.
- The poorwill's call echoed through the canyon at dusk.
- We spotted a poorwill resting on a rocky ledge during our hike.