Moose Cow, MaineMoose cows in places like Baxter State Park in Maine often wade deep into ponds to feed on nutrient-rich aquatic vegetation growing along the bottom. These underwater plants are packed with sodium and minerals that are difficult to find in the forest. Nikon D200 with Nikkor 600mm f/5.6 manual focus lens, ISO 400, f/5.6 at 1/160th of a second.