About the Book
Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 48. Chapters: Raven, Common Raven, Crow, Jackdaw, Hooded Crow, American Crow, New Caledonian Crow, Rook, Jungle Crow, Australian Raven, House Crow, Carrion Crow, Pied Raven, Alal, Northwestern Crow, Chihuahuan Raven, Fish Crow, Pied Crow, Torresian Crow, Banggai Crow, Mariana Crow, Brown-necked Raven, White-necked Crow, Little Raven, Forest Raven, Daurian Jackdaw, Cuban Crow, Chatham Islands Raven, Cape Crow, Tamaulipas Crow, Thick-billed Raven, Collared Crow, Fan-tailed Raven, White-necked Raven, New Zealand Raven, Jamaican Crow, Sinaloa Crow, Grey Crow, Little Crow, White-billed Crow, Somali Crow, Palm Crow, Coloeus, High-billed Crow, Bougainville Crow, Mesopotamian Crow, Brown-headed Crow, Slender-billed Crow, Flores Crow, Piping Crow, Corvus levaillantii, Bismarck Crow. Excerpt: The Common Raven (Corvus corax), also known as the Northern Raven, is a large, all-black passerine bird. Found across the northern hemisphere, it is the most widely distributed of all corvids. There are at least eight subspecies with little variation in appearance- although recent research has demonstrated significant genetic differences among populations from various regions. It is one of the two largest corvids, alongside the Thick-billed Raven, and is possibly the heaviest passerine bird; at maturity, the Common Raven averages 63 cm (25 inches) in length and 1.2 kg (2.6 pounds). Common Ravens typically live about 10 to 15 years in the wild, although lifespans of up to 40 years have been recorded. Young birds may travel in flocks, but later mate for life, with each mated pair defending a territory. The Common Raven has coexisted with humans for thousands of years and in some areas has been so numerous that it is considered a pest. Part of its success comes from its omnivorous diet; Common Ravens are extremely versatile and opportunistic in finding...