ナショナルジオグラフィックのインスタグラム(natgeo) - 11月21日 21時08分

Photo by @PaulNicklen | Orcas are one of the ocean's most efficient hunters, engaging in complex hunting practices. Individuals stay in close contact with each other during their hunt, and use echolocation to communicate. When hunting herring, a foundational species of the diet for some populations, orcas will carefully surround large schools of fish and strategically corral them into a ball. Once near the surface, the orcas will stun the fish with their tails, and take turns consuming the herring, one by one. It’s a sad fate for the herring, but this hunting technique is incredibly effective, and an impressive display of sophistication from these wild animals. The intelligence and social dynamics of orcas leads me to be constantly amazed on my dives with them. My team and I just finished up with our expedition in Norway, where we were photographing these incredible cetaceans. #FollowMe at @PaulNicklen for more photos of orcas and for an upcoming campaign. #Norway #orca #ocean

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• PaulNicklen