Tohono Chul Desert Park just NW of Tucson - Several pair were observed; some with young.
Best viewed in 'original' size.
Nikon D800
,AF-S VR Nikkor 70-200mm f2.8G with TC 2.0 E II 1/500s f/5.6 at 480mm iso1000
UnCropped DX Image at 300 dpi Size Reduced for Internet Viewing
full exif