29 Nov 2011
Halo (22° Circular Halo)
Altitude 3083 metres. See Atmospheric Optics for more on halo and how it forms. -0.361389,-78.149167
26 Nov 2011
Silver-throated Tanager (Tangara icterocephala)
Yet another of the small birds I only saw once and thus got just one shot at here at Tinalandia. It sounds like this: -0.298056,-79.054722