At the foot of Cerro Valdenoches by the
Path of San Juan Bridge.
I am trying the Birding paths by Shepherds Trails of Madrid. This is the path 5.
It iss the first time I take a photo of a firecrest.
More in
http://birdingmanzanares.blogspot.com.es/2016/03/firecrests-and-azuremagpies-in-san-juan.html