In black and white, of course...

Here's a nice bighorn ram getting ready to kick some ass.

(Click the photos for bigger, better versions.)

And here's a bighorn ram running after a ewe, checking her scent to see if she's ready to mate. Motion-blurred at 1/10 sec shutter speed.

A Bull moose posing in the snow.

And last, a trumpeter swan posing in the snow