The ravens are fed raw meat which is bought at Smithfield Meat Market by the Ravenmaster.
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All taxa have a relatively long bill with the upper one quite thick and arched, making it look heavy and almost Raven-like.
They also compete directly for lemmings and other prey with several predators, including Rough-legged Hawks, Golden Eagles, Peregrine Falcons, Gyrfalcons, jaegers, Glaucous Gulls, Short-eared Owls, Great Horned Owls, Eurasian Eagle Owls, Common Ravens, wolves, arctic foxes, and ermine.