Northern Pintail

Northern Pintail -- Sacramento National Wildlife Refuge, CA
Canon EOS Rebel T5i, EF 100-400mm f/4.5-5.6L IS II USM, f/5.6, 1/2000s, ISO: 500

If I had to pick my favorite waterfowl common to the Central Valley in winter I'd probably choose the Northern Pintail.  I like their black and brown coloring and their fancy tails, but it's probably the glossy beak that really does it for me.  These guys have style.