![]() ![]() New Caledonian crows are even known to care for their tools and make new tools by bending straight pieces of garden wire into hooked foraging tools. There are at least two known species of crows that use tools: the New Caledonian crow and the Hawaiian crow. The NatGeo documentary A Murder of Crows (YouTube) is a great film for those interested in learning more about this extraordinary bird. The video below is part of a BBC Earth documentary series and cites several examples where crows have demonstrated intelligence, tool-making ability, logical thought and learning:Ĭrows also have the ability to recognize and remember people by their faces. As an example, crows have been known to bring little trinkets as gifts for this family in Seattle. In fact, crows can form special relationships with humans who feed them consistently. In a study published in July 2014, researchers found that for certain cause-and-effect water displacement tasks (like The Crow and the Pitcher story in Aesop's Fables), crows can perform as well as 7- to 10-year-old humans. Their calls may sound like "croooaaak", "gronk- gronk", "tok", and "wonk-wonk."Ĭrows are very intelligent and are known to devise ingenious ways of getting food and surviving in urbanized environments. A raven has deeper and less piercing sound. It is high pitched and nasal crows are louder and have a harsher sound. A loud Kaw followed by a series of short Kaws. ![]() Here's a great video about the differences between ravens and crows and how to tell them apart:Ĭrows generally make the ‘Kaw’ sound in discrete units. Ravens have pointed wings and wedge-shaped tails but crows have blunt and splayed wings and fan-shaped tails. The tails are also prominently different and this can be seen clearly when these birds are flying. Crows tend to fluff their feathers into a mane and when a raven fluffs up its breast it looks ragged. When in flight their necks appear longer than that of a crow. So they are longer, weigh more and have greater wingspan. ![]()
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