William Henry Hudson,
British birds
(1921)
“ The nest is a slight hollow in the ground, scantily lined with a little dry grass; and the eggs are four or five, and rarely six, in number. These are pale bluish white in colour, and in some cases have pale brown markings.The male hen harrier, seen on the wing when quartering the ground in quest of prey, keeping but a few feet above the surface, is certainly one of our handsomest hawks. Its flight, although not wavering, is as buoyant as that of the common tern, and the pale colouring—soft blue-grey above and white beneath—seems in harmony with its slender figure and airy, graceful motions. ”
