Small songbirds known for their beautiful singing, or playful pranks and escapades.
Old English 'lāwerce'; the bird itself has ancient origins, but the meaning of 'pranks' developed in the 1800s from 'lark' as slang for light-hearted mischief.
Larks are extraordinary singers because they literally have a different brain structure than most birds—their vocal control centers are larger and more complex, which is why people have imitated their songs for thousands of years.
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