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Corvidae is a cosmopolitan family of oscine passerine birds that contains the crows, ravens, rooks, jackdaws, jays,magpies, treepies, choughs and nutcrackers. The common English names used are corvids (more technically) or the crow family (more informally), and there are over 120 species.
They are considered the most intelligent of the birds, and among the most intelligent of all animals having demonstrated self-awareness in mirror tests (European magpies) and tool making ability (crows, rooks)—skills until recently regarded as solely the province of humans and a few other higher mammals. Their total brain-to-body mass ratio is equal to that of great apes and cetaceans, and only slightly lower than in humans.

From Wikipedia http:/​/​en.​wikipedia.​org/​wiki/​Corvidae
Sri Lanka Blue Magpie (Urocissa ornata)Sri Lanka Blue Magpie (Urocissa ornata)Sri Lanka Blue Magpie (Urocissa ornata)Sri Lanka Blue Magpie (Urocissa ornata)Sri Lanka Blue Magpie (Urocissa ornata)Sri Lanka Blue Magpie (Urocissa ornata)Sri Lanka Blue Magpie (Urocissa ornata)Sri Lanka Blue Magpie (Urocissa ornata)Javan Green Magpie (Cissa thalassina)Javan Green Magpie (Cissa thalassina)Bornean Treepie (Dendrocitta cinerascens)Bornean Treepie (Dendrocitta cinerascens)House Crow (Corvus splendens)House Crow (Corvus splendens)House Crow (Corvus splendens)House Crow (Corvus splendens)Torresian Crow (Corvus orru)Torresian Crow (Corvus orru)Torresian Crow (Corvus orru)Little Raven (Corvus mellori)

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Category:Animals
Subcategory:Birds
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