Charlie Summers / Two juvenile Brown Bear siblings (Ursus arctos) look for food on the banks of the Anan Creek lagoon, Alaska, July.

Charlie Summers / Black Bear (Ursus americanus) with Pink Salmon (Oncorhynchus gorbuscha) catch, Anan Creek, Alaska, July.

Charlie Summers / Black Bear (Ursus americanus) sleeping in a Sitka Spruce tree (Picea sitchensis) alongside Anan Creek, Alaska, July.

Eric Baccega / Black bear carries fish from river {Ursus americanus} Anan creek, Alaska, USA

Eric Baccega / Black bear on rocky ledge above river {Ursus americanus} Alaska, USA

Eric Baccega / Black bear carries fish from river {Ursus americanus} Alaska, USA

Charlie Summers / Black bear (Ursus americanus) high in a Sitka spruce tree, Anan Creek Observatory, Alaska, USA, July.

Matthias Breiter / Black Bear (Ursus americanus) in tree in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Bald Eagle (Haliaeetus leucocephalus) flying in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Coast at low tide, Anan Bay, Tongass National Forest, Alaska

Matthias Breiter / Black Bear (Ursus americanus) with Pink Salmon (Oncorhynchus gorbuscha) prey, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) cub feeding on Pink Salmon (Oncorhynchus gorbuscha) carcass, Anan Creek, Tongass National Forest, Alaska