Whippoorwill
/ˈwɪpərwɪl/
Definition 1 of 1
Pro Tip 1/3Sound Mimicry
The name 'whippoorwill' mimics the bird's song, which repeats and sounds like 'whip-poor-will.' 
When camping, we listened to the whippoorwill's repetitive call.
Pro Tip 2/3Twilight Activity
'Whippoorwill' usually refers to when the bird is active during early night or before sunrise. 
We barely saw the whippoorwill, but its evening song was clear.
Pro Tip 3/3Cultural Symbol
In literature and music, a whippoorwill may symbolize loneliness or the rural South. 
The blues song had a verse about a lonesome whippoorwill.