A splash made by a nearby salmon jumping out of the water will attract their attention.
Mama bear has the responsibility to teach her cubs how to catch salmon. She wades out into the waters, somtimes standing on her hind legs for a better view, and dives for a nearby salmon. Here she catches one and teaches by example.
Mama bear then hustles the prize to a safe and unexposed location where she and her cubs can enjoy the feast. Click on this short 25 second video:
Be sure to read my other posts on the bears of Katmai. For the full portfolio of the bears at Katmai go to my Grizzly Bears Gallery on my website: RichardSeeleyPhotogaphy.com>Grizzly Bears Gallery