An Arctic Caribou Chase
In An Arctic Caribou Chase, narrator Sir David Attenborough shows a migrating herd of caribou grazing at the start of mating season. Old and young caribou bulls chase each other and fight while competing for the attention of a female. This video is excerpted from BBC’s Frozen Planet, a series that shows a fragile world of beauty and hostility, where nature finds a way to survive and thrive in frigid conditions.
Lesson Express
Q: What do you notice about the hoar frost?
A: Student responses will vary.
Q: What challenges do older bulls have when it comes to fighting younger bulls? What advantages might older bulls have compared with younger bulls?
A: Student responses will vary. Students may mention that the older caribou may get tired faster than the younger caribou or that older bulls have more experience and larger antlers.
Q: How is the caribou’s behavior similar to other animal behavior you have learned about?
A: Student responses will vary. Students may mention other examples of animals that fight to determine dominance or that fight for sport (polar bears).
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