It is characterised by its bulky shape and large bill.
A low, bulky shape that was darker than the darkness.
Even in the bad light he recognized the bulky dappled shape.
Along one side, she saw a dark, bulky shape - a man covered by a blanket?
And a bulky shape suddenly loomed in front of her.
Up ahead he saw the bulky shapes of two limousines.
A bulky shape ran past him, across the room to the open window.
A dark, bulky shape that had to be the lodge-house.
It was a tall, bulky shape - the outline of a man.
There were a number of black, bulky shapes above her, but nothing she could interpret.