Cormorant may be a common and familiar bird but when did you last look closely at this imposing predator? Birds at Rainham are normally heading up or down the Thames or perhaps bobbing round out on the river. Occasionally one will come to fish on Aveley Pools or in the Perimeter Ditch but rarely do you get close. Russ Sherriff got this great shot yesterday of one resting on an old mooring. Check out those bottle green eyes, yellow gular, white thigh patches, shaggy white mane and scaly reptilian wing feathers.

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