A few made in the backyard with the Nikon D810 and Tamron 150-600 mm lens. Subjects were at a range of 20-50 feet and images shown here are cropped (see info popup to get sizes) but saved full resolution (display at Original size). Converted from RAW in Lightroom 5.6, light sharpening.
Other shots with the D800 shown in this gallery: http://www.rqfphoto.com/Photography/Tamron-150-600-on-D800/42521051_hTJw7K