The horned lark or shore lark (Eremophila alpestris) is a species of lark in the family Alaudidae found across the northern hemisphere. It is known as "horned lark" in North America for distinctive feathers on the heads of the male birds in summer, and as "shore lark" in Europe because it can be found on shorelines in the winter.
The horned lark was formally described in 1758 by the Swedish naturalist Carl Linnaeus in the tenth edition of his Systema Naturae under the binomial name Alauda alpestris. Linnaeus based his account on the description and illustration by the English naturalist Mark Catesby in his book The Natural History of Carolina, Florida and the Bahama Islands that was published between 1729 and 1732. Linnaeus specified the type locality as North America but this has been restricted to the coastal areas of South Carolina. The horned lark is now placed together with Temminck's lark in the genus Eremophila that was introduced in 1828 by the German naturalist Friedrich Boie. The specific epithet alpestris is Latin meaning "of the high mountains", from Alpes, the Alps. A molecular genetic study of the Alaudidae published in 2023 found that Temminck's lark (Eremophila...