One of the most fascinating relationships between animals is the one that seems to exist between wolves and ravens. The raven, scavenger of food of all types, will often follow wolf packs in hopes of morsels of food. And wolves have learned to watch for circling ravens as a sign of of possible food below. But there seems to be more than just a symbiosis based on food between the two species; many observations have been made that can only be described as a friendship between the big predator and the wily bird.
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