As I was leaving the visitor's center at the San Luis National Wildlife Refuge, I encountered a number of birds in the nearby shrubbery. A wooden walkway leads through the area, and this quail was sitting atop one of the supporting posts and singing to everyone within earshot.

Nikon D810
Nikkor 200-500mm f5.6
1/320
f9, +2/3 EV
ISO 360