Small pratincole pratincole can be briefly confused in flight with swifts or swallows. This bird has short legs, long pointed wings and a short tail. Its short bill is an adaptation to aerial feeding. On the ground, it looks mainly pale grey (hence "lactea", milky). The crown of the head is brown. The wings are grey above with black primaries and black and white bars at the rear edge of the inner flight feathers. The underwings are mainly black. The tail is white with a black terminal triangle. The belly is white. The most unusual feature of the pratincoles is that although
What is a Masterpiece? confluence of memories and emotions forming a single idea", that it has "a power of recreating traditional forms so that they become expressive of an artist's own epoch and yet keep a relationship to the past". The highest masterpieces are said to be "illustrations of great themes." Clark also implicitly excluded the erotic from considerations of what constituted a masterpiece, based on his perspective that a necessary condition is the balance between sense and form (works that are too sensual are, therefore, unbalanced and not to be categorised at masterpiece level). What is a Masterpiece? What is a Masterpiece? is