---

Hello to all!
My suspicion is Calliphoridae, but again I don't know what fly it is sitting on some excrement here. Who does and tells me?
(The Ecuadorians passing by when I took this picture and some of a butterfly on the same spot, couldn't stop laughing about me stupid gringo taking pictures of shit :D)
About 8mm

8.8.2009, Ecuador, near Quito, between TeleferiQo station and Mt. Rucu Pichincha, about 4150m asl