Corvus umbrinus Hedenborg & Sundevall, K. Sv. Vet. Akad. Handl., 1838, p. 199. = Corvus ruficollis ruficollis Lesson, 1830
Holotype ? : Female ad., Arabia petraea (= Sinai Peninsula). 1835. J. Hedenborg leg. No. 3128. - Measurements of type : wing : 388 mm.; tail : 202 mm.; culmen : 66 mm.; height of bill (just in front of the nostrils) : 23 mm.; breadt of bill at base of upper mandible : 26 mm.; tarsus : 64 mm.Click on the picture for enlargement.