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The common raven lives in a wide variety of climates. Due to its habitat and food, the common raven has unique features that allow it to regulate osmotic challenges. Common ravens can be observed in oceans consuming water. However, when birds consume salt loaded prey or drink salt water, the body’s internal osmoregularity increases.
Ravens may also consume the undigested portions of animal faeces, and human food waste. They store surplus food items, especially those containing fat, and will learn to hide such food out of the sight of other common ravens. [58] Ravens also raid the food caches of other species, such as the Arctic fox. [88]
Group-foraging common ravens hoard their food in a number of places, and also raid the caches made by others. Cachers withdraw from conspecifics when hiding their food and usually place their caches behind structures, out of sight of potential observers.
Australian ravens are intelligent birds, and like many other corvids have innovative methods of seeking out food. [19] Foraging takes place in the early morning or late afternoon; birds rest in the hotter part of the day. Food is taken mainly from the ground, birds either finding objects while flying overhead or by walking along and looking. [32]
Wolves urinate on food caches after emptying them. [3]Caching behavior is typically a way to save excess edible food for later consumption—either soon to be eaten food, such as when a jaguar hangs partially eaten prey from a tree to be eaten within a few days, or long term, where the food is hidden and retrieved many months later.
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The raven also has a prominent role in the mythologies of the Indigenous peoples of the Pacific Northwest Coast, including the Tsimishians, Haidas, Heiltsuks, Tlingits, Kwakwaka'wakw, Coast Salish, Koyukons, and Inuit. The raven in these indigenous peoples' mythology is the Creator of the world, but it is also considered a trickster God.
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