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Observers onboard the R/V Norseman II

Detailed Description

Amanda Herbert (foreground) and Ami Everett onboard the R/V Norseman II. Amanda and Ami are on top of the wheelhouse of the ship to observe groups of Pacific walrus hauled-out on sea ice. Observers assign each animal in a group to an age/sex category according to published criteria.


Public Domain.

Photo taken by William Beatty, U.S. Geological Survey