Rozell, Ned. "The Raven's Game of Hide and Seek". Alaska Science Forum. Geophysical Institute, University of Alaska Fairbanks. Archived from the original on 2007-06-11. Retrieved 2007-05-07.
Anonymous. (2013) "Corvus corax – Linnaeus, 1758 (Common Raven)" in Deomurari, A.N. (Compiler), 2010. AVIS-IBIS (Avian Information System – Indian BioDiversity Information System) v. 1.0. Foundation For Ecological Security, India
Boarman, William I. and Heinrich, Bernd (1999) Common Raven (Corvus corax), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology.
Feldman, Christopher R.; Omland, Kevin E. (March 2005). "Phylogenetics of the common raven complex (Corvus: Corvidae) and the utility of ND4, COI and intron 7 of the β-fibrinogen gene in avian molecular systematics". Zoologica Scripta. 34 (2): 145–156. doi:10.1111/j.1463-6409.2005.00182.x. S2CID85196387.
Baker, Jason M.; Omland, Kevin E. (January 2006). "Canary Island Ravens Corvus corax tingitanus have distinct mtDNA". Ibis. 148 (1): 174–178. doi:10.1111/j.1474-919X.2006.00493.x.
Boarman, William I.; Heinrich, Bernd (1999). Poole, A.; Gill, F. (eds.). "Common Raven (Corvus corax)". Birds of North America. 476: 1–32. doi:10.2173/bna.476.
Schwan, M. W.; Williams, D. D. (1978). "Temperature regulation in the common raven of interior Alaska". Comparative Biochemistry and Physiology A. 60 (1): 31–36. doi:10.1016/0300-9629(78)90033-6.
Gwinner, E. (1964). "Untersuchungen über das ausdrucks und Sozialverhalten des Kolkraben (Corvus corax L.)". Zeitschrift für Tierpsychologie (in German). 21 (6): 657–748. doi:10.1111/j.1439-0310.1964.tb01212.x.
Cockrem, J. F. (2007). "Stress, corticosterone responses and avian personalities". Journal of Ornithology. 148 (S2): 169–178. doi:10.1007/s10336-007-0175-8. S2CID9578614.
Olendorff, R. R. (1976). "The food habits of North American golden eagles". American Midland Naturalist. 95 (1): 231–236. doi:10.2307/2424254. JSTOR2424254.
Gwinner, Eberhard (April 1965). "Beobachtungen über Nestbau und Brutpflege des Kolkraben (Corvus corax L.) in Gefangenschaft". Journal of Ornithology (in German). 106 (2): 145–178. Bibcode:1965JOrn..106..145G. doi:10.1007/BF01793758. S2CID22796437.
Heinrich, Bernd (1988). "Winter foraging at carcasses by three sympatric corvids, with emphasis on recruitment by the raven, Corvus corax". Behavioral Ecology and Sociobiology. 23 (3): 141–156. Bibcode:1988BEcoS..23..141H. doi:10.1007/BF00300349. S2CID10471307.
Kijne, M.; Kotrschal, K (2002). "Neophobia affects choice of food-item size in group-foraging common ravens (Corvus corax)". Acta Ethologica. 5 (1): 13–18. doi:10.1007/s10211-002-0061-6. S2CID39984855.
Bogoras, W. (1902). "The Folklore of Northeastern Asia, as Compared with That of Northwestern America". American Anthropologist. 4 (4): 577–683. doi:10.1525/aa.1902.4.4.02a00020.
Gwinner, Eberhard (April 1965). "Beobachtungen über Nestbau und Brutpflege des Kolkraben (Corvus corax L.) in Gefangenschaft". Journal of Ornithology (in German). 106 (2): 145–178. Bibcode:1965JOrn..106..145G. doi:10.1007/BF01793758. S2CID22796437.
Heinrich, Bernd (1988). "Winter foraging at carcasses by three sympatric corvids, with emphasis on recruitment by the raven, Corvus corax". Behavioral Ecology and Sociobiology. 23 (3): 141–156. Bibcode:1988BEcoS..23..141H. doi:10.1007/BF00300349. S2CID10471307.
Olendorff, R. R. (1976). "The food habits of North American golden eagles". American Midland Naturalist. 95 (1): 231–236. doi:10.2307/2424254. JSTOR2424254.
Feldman, Christopher R.; Omland, Kevin E. (March 2005). "Phylogenetics of the common raven complex (Corvus: Corvidae) and the utility of ND4, COI and intron 7 of the β-fibrinogen gene in avian molecular systematics". Zoologica Scripta. 34 (2): 145–156. doi:10.1111/j.1463-6409.2005.00182.x. S2CID85196387.
Cockrem, J. F. (2007). "Stress, corticosterone responses and avian personalities". Journal of Ornithology. 148 (S2): 169–178. doi:10.1007/s10336-007-0175-8. S2CID9578614.
Gwinner, Eberhard (April 1965). "Beobachtungen über Nestbau und Brutpflege des Kolkraben (Corvus corax L.) in Gefangenschaft". Journal of Ornithology (in German). 106 (2): 145–178. Bibcode:1965JOrn..106..145G. doi:10.1007/BF01793758. S2CID22796437.
Heinrich, Bernd (1988). "Winter foraging at carcasses by three sympatric corvids, with emphasis on recruitment by the raven, Corvus corax". Behavioral Ecology and Sociobiology. 23 (3): 141–156. Bibcode:1988BEcoS..23..141H. doi:10.1007/BF00300349. S2CID10471307.
Kijne, M.; Kotrschal, K (2002). "Neophobia affects choice of food-item size in group-foraging common ravens (Corvus corax)". Acta Ethologica. 5 (1): 13–18. doi:10.1007/s10211-002-0061-6. S2CID39984855.
Rozell, Ned. "The Raven's Game of Hide and Seek". Alaska Science Forum. Geophysical Institute, University of Alaska Fairbanks. Archived from the original on 2007-06-11. Retrieved 2007-05-07.