July 1968 – vol. 61, issue 7–307 Watching from a crag over the stony slopes of southern Europe, the lone figure of the male Blue Rock Thrush Montkok solitarius (plates 39-40) is a handsome sight with blue-grey body and slaty-black wings and tail. In winter many feathers hare brownish fringes which wear off by spring, except in some first-year males, to expose a brighter and more uniform blue. The female (plates 41-42a) is bluish-... This article is only available to registered users.To read more, please log in or purchase a subscription.