Here are a few more images from Bosque del Apache NWR all taken before sunrise on a cold foggy and frosty morning.
Comments and suggestions welcome,
Morris

1) Sandhill Cranes
X-H2S XF500mmF5.6 R LM OIS WR lens 500mm f/5.6 1/1250s 6400 ISO +0.7 EV

2) Mallard
X-H2S XF500mmF5.6 R LM OIS WR lens 500mm f/5.6 1/5000s 6400 ISO +0.7 EV

3) Snow Geese
X-H2S XF500mmF5.6 R LM OIS WR lens 500mm f/5.6 1/8000s 6400 ISO +1.3 EV

4) Snow Geese
X-H2S XF500mmF5.6 R LM OIS WR lens 500mm f/5.6 1/3500s 6400 ISO +1.3 EV

5) Sandhill Cranes taking off amongst Snow Geese
X-H2S XF500mmF5.6 R LM OIS WR lens 500mm f/5.6 1/16000s 6400 ISO +0.7 EV