It is also called a hawk or eagle aliancha. Its scientific name is Buteo platypterus and it belongs to the family Accipitridae. It is a migratory bird that from Canada (Alberta) travels to the south of Brazil. In Colombia its passage coincides with the season of Lent and hence this endemic name in my land of Tolima. It is also called chapulinera eagle or lobster, because it is acridófaga. It is a species that helps the biological control of pests such as grasshoppers, locusts and rodents.
