Common Raven (Corvus corax)

[HTML] What constitutes “social complexity” and “social intelligence” in birds? Lessons from ravens; PH Boucherie, MC Loretto, JJM Massen, T Bugnyar – Behavioral Ecology and, 2019

Population responses of common ravens to reintroduced gray wolves
Walker LE, Marzluff JM, Metz MC, Wirsing AJ, Moskal LM, Stahler DR, Smith DW. Ecology and evolution. 2018 Nov;

Raven scavenging favours group foraging in wolves. Vucetich JA, Peterson RO, Waite TA. Animal behaviour. 2004 Jun

Common ravens, Corvus corax, preferentially associate with grey wolves, Canis lupus, as a foraging strategy in winter. Stahler D, Heinrich B, Smith D. Animal Behaviour. 2002 Aug

Anthropogenic extinction of top carnivores and interspecific animal behaviour: implications of the rapid decoupling of a web involving wolves, bears, moose and ravens.Berger J. Proceedings of the Royal Society of London. Series B: Biological Sciences. 1999 Nov