A southern giant petrel uses the posture known as the "sealmaster" posture - wings outstretched, tail raise and beak pointed at the enemy - to guard its meal from an intruder.

Image ID: fish8272, NOAA's Fisheries Collection
Location: Antarctica, Cape Shirreff, Livingston Island
Photo Date: 1991
Photographer: Ray Buchheit
Credit: NOAA NMFS SWFSC Antarctic Marine Living Resources (AMLR) Program

Category: Fisheries/

• High Resolution Photo Available