Frequents grasslands and other open habitats with low, sparse vegetation. Yearlong, diurnal activity. Yearlong, resident within the state. Migrants from outside of California join these wintering flocks, especially in the southeastern desert region of the state. Eggs and nestlings subject to predation from mammals and snakes.
Adults are prey for falcons.
Serv., Lassen Natl. For., Susanville. 590pp. Beason, R. C., and E. C. Franks. Breeding behavior of the horned lark. Bent, A. C. 1942.