This is a summary of the video transcript:
The video is about killer whales, the largest species of dolphins, and how they hunt different prey in different environments. The video shows footage of killer whales attacking seals, dolphins, sharks, whales, penguins and fish. The video also explains the physical characteristics, social structure, intelligence and communication of killer whales. The video ends with a competition for the viewers to win a prize.
Here are the key facts extracted from the text:
1. The text is about killer whales and their hunting strategies.
2. Killer whales are the largest species of dolphins and have a distinctive black and white coloration.
3. Killer whales live in groups that are led by females and have complex social structures.
4. Killer whales use echolocation, teamwork, and various tactics to hunt different prey, such as seals, dolphins, sharks, and whales.
5. Killer whales are not aggressive towards humans and sometimes share their prey with other members of their group.
6. The text ends with a competition for the viewers to win a prize.
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