ON April 8th, 1950, we inspected the nest of a Raven (Corvus corax). containing three eggs, situated high in the Plym Valley, Dartmoor, After we had withdrawn both Ravens flew around in the vicinity, but one, easily distinguishable by a number of missing wing feathers, kept much nearer the nest than the other. After we had been about five minutes in our new position, the nearer bird flew slowly t...

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