Alaskan brown bears wait for salmon at Brooks Falls in Katmai National Park and Preserve, Alaska, USA (@ Tony Campbell/Pond 5)

Alaskan brown bears wait for salmon at Brooks Falls in Katmai National Park and Preserve, Alaska, USA (@ Tony Campbell/Pond 5)

comments,

• It\s hard enough swimming for hundreds of miles upstream...""Without encountering a hungry welcoming committee
• Salmon will spend up to eight years at sea before returning to fresh water.""How do they make it back to their birth place?
• Just over 100 years ago the Novarupta volcano erupted, filling 100 square kilometres of this land with ash.""Shall we take a trip to The Valley of Ten Thousand Smokes?
• The fish don\t stand much of a chance around here - there are at least 2,000 brown bears hunting them down.""Can we trap you with some more grizzly facts?