Brown-necked Raven
Corvus ruficollis
Voice: The voice is very similar to the common raven's consisting mainly of croaks, though higher in pitch; and a harsh "karr-karr-karr". In flight, it will utter a "kuerk-kuerk" call. Like all corvids, the Brown-necked raven is capable of vocal mimicry, however this behavior is mostly recorded in captivity and, although rarely, in the wild.
ID text from Wikipedia, CC BY-SA 4.0
Collared Crow
Corvus torquatus
It is about 52–55 cm in length—the same size or slightly larger than the carrion crow (C. corone), with proportionately slightly longer wings, tail, and bill. A sleek and handsome bird, it has glossy black plumage except for the back of the neck, upper back (mantle), and a broad band around the lower breast that is white. The bill, legs, and feet are black. It sometimes flies with its feet hanging down below the body in a characteristically "lazy" way. The voice is a loud kaaar repeated several times with other slight variations on it to suit the occasion.
ID text from Wikipedia, CC BY-SA 4.0
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Brown-necked Raven and Collared Crow.