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During hunting periods, only the matriarch female coming near the bank. Other females are not far, And the male is at the entrance of the bay, to prevent any eventual escape of a prey.
In this picture, we can see easily the dorsal fin of this female Killer Whale. The dorsal fin, slightly curved, can reach 0,90 metres. The dorsal fin of the male have a more triangular shape, and can reach 1,80 metres.
Individual killer whales can often be identified from the dorsal fin and saddle patch. Variations such as nicks, scratches, and tears on the dorsal fin and the pattern of white or grey in the saddle patch are unique. | |
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