In Alaska, salmon feed on tiny plants called phytoplankton. During late summer, salmon gather in rivers to reproduce. Grizzly bears visit these rivers to feed on the large number of salmon.

Phytoplankton are tiny plants that serve as a primary food source for salmon and are crucial for the aquatic food web.

Both the salmon and the grizzly bears are part of the ecosystem in Alaska, interacting with each other and with other species in their environment.

Grizzly bears are omnivorous predators that actively seek out salmon as a food source, especially during the salmon spawning season when the fish are abundant in rivers.