Arthur J. Hayes, The source of the Blue Nile (1905)
“ They had been much interested in watching the huge flocks of small birds of the linnet kind which assembled half an hour before sunset and went to drink together in the pools of the Atbara. They come with an undulating flight, and, small as they are, the rushing of the wind as they beat the air makes a noise like thunder, and their numbers darken the sky. The weight of the throngs of them which alight at a time bends down the ends of the overhanging branches and twigs to the level of the water. ”
