Wall Creeper
the Tichodroma muraria, a native of southern and central Europe. It frequents walls and perpendicular rocks in preference to trees, the favorite resort of the genus Certhia.
It is a very pretty bird, about six inches. long; plumage light gray, with bright crimson on the shoulders, the larger wing coverts, and the inner webs of the secondaries; the rest of the wings black; tail black, tipped with white. Called also spider catcher, from its habit of feeding on spiders and insects.