The white-necked raven (Corvus albicollis) is somewhat smaller (50–54 cm in length) than the common raven or indeed its nearest relative, the thick-billed raven C. crassirostris. Like the common raven, thick-billed raven and brown-necked raven, it is one of the larger raven species. The smaller raven species are the Australian raven, forest raven, little raven, fan-tailed raven and Chihuahuan raven with the thick-billed raven being the world's largest raven species and the Ch