European stonechat are short-distance migrants or non-migratory, with part of the population (particularly from northeastern parts of the range, where winters are colder) moving south to winter further south in Europe and more widely in north Africa. The male's song is high and twittering like a dunnock. Both sexes have a clicking call like stones knocking together. In 2015, John Callion published the results of his 25-year study of the bird in "British Birds. European stonechat The European stonechat ("Saxicola rubicola") is a small passerine bird that was formerly classed as a subspecies of the common stonechat. Long considered a member of
Bird nest called caliology. Bird nests are also built by humans to help in the conservation of certain birds (such as swallows). Swallow nests are generally built with plaster, wood, terracotta or stucco. Artificial nests, such as nest boxes, are an important conservation tool for many species, however nest box programmes rarely compare their effectiveness with individuals not using nest boxes. Red-footed falcons using nest boxes in heavily managed landscapes produced fewer fledglings than those nesting in natural nests, but also than pairs nesting in nest boxes in more natural habitats. Bird nest A bird nest is the spot in which a