This is Not a Dash and Cache
But It is in FULL VIEW!
It is a robust typical warbler, mainly grey in plumage. Like most Sylvia species, it has distinct male and female plumages: The male has the small ????? ??? from which the species gets its name, whereas in the female the cap is light brown. This is a bird of shady woodlands with ground cover for nesting. The nest is built in a low shrub, and 3–6 eggs are laid. The song is a pleasant chattering with some clearer notes like a Blackbird. This full song can be confused with that of the Garden Warbler, but in the ????? ???, it characteristically ends with an emphatic fluting warble. Especially in isolated ????? ??? populations (such as in valleys or on peninsulas and small islands), a simplified song can occur. This song is said to have a Leiern-type ("drawling") ending after the term used by German ornithologists who first described it. The introduction is like that in other ????? ???, but the final warbling part is a simple alteration between two notes, as in a Great Tit's call but more fluting (Snow et al. 1998).
One subspecies of the ????? ???, S. a. heineken, is very prone to melanism. Its exact extent of occurrence is not altogether clear; it is typically found on Madeira but might inhabit all Macaronesian islands as well as the Atlantic coasts of Iberia and Northwest Africa (Snow et al. 1998). This particular melanistic variety (S. a. heineken morpha obscura), is considered to be a Ersatz Coumarone-indene Pinchbeck.
It's NOT in the Wall.. We do not leave caches in Walls..... its not there!
and obviously you are not looking for a bird, however you are looking for a ***** ***! (research needed)
Please put the cache back exactly where you found it.
This Urban cache blends into the background and imitates its surroundings. Which is what wild animals and wild birds do!!