The Colorado Blue Spruce is very beautiful tree I have on my private landmark and it attracts lots of birds near me. Seeing and hearing this Yellow-rumped Warbler brought music to my ears. Taken with a Canon Rebel t3i, F-stop f/8 Exposure time 1/500 sec. ISO Speed, ISO-400 Exposure bias 0 step, Focal length 300mm. © 2015 Arcaute Artistics Photography