An ant hill. The most common insect on earth is the ant.
Woodland caribou droppings from last winter.
Moose droppings from the past winter.
I get stung by wasps at least once every year, most commonly on the portage trail when inadvertently disturbing a colony that is hidden underground.
A red squirrel midden, a large one that has not been disturbed by fire for many years.
An immature bald eagle that appeared to be deserted by his parents. He had not yet learned to fly. Most of the nests I see are in tall trees. Boulders such as this one are more commonly used by osprey.