Trumpeter Swan Sequence: National Elk Refuge, Jackson, WY Trumpeter Swans were seen engaged in a loud voiced activity that looked remarkably like a territorial dispute or a mating dance. There are 14 images of which some have a great deal of motion. The time was February, 7, 2015 about 2:30 MST. This activity took place near Elk Refuge Road. There are 14 images in this sequence.