MCNICHOL, Martin K. The Use of Hovering as a Search Method By the Northern Shrike. Blue Jay, [S. l.], v. 30, n. 2, 1972. DOI: 10.29173/bluejay3585. Disponível em: https://bluejayjournal.ca/index.php/bluejay/article/view/3585. Acesso em: 8 may. 2024.