Category
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AnimalsTranscript
00:00 (dramatic music)
00:03 Bears communicate with each other
00:05 by establishing a hierarchy.
00:06 Or pecking order in situations
00:12 where they encounter each other.
00:13 It is not always the size that makes
00:15 one bear dominant over another.
00:17 It is the attitude of the dominant bear, or alpha,
00:23 who is always in charge.
00:25 Bears communicate their dominance
00:28 by intimidating their opponent.
00:31 Bears do not fight each other unless it is necessary.
00:34 Fight risk injury, and that is not the bear's objective.
00:38 For most species, sex starts with war,
00:45 deciding who will get the female.
00:48 Males of many species have evolved daring structures
00:51 that help them win fights and secure mating.
00:53 These male frogs normally fight with each other
00:58 over breeding territory,
01:00 and therefore have evolved big arms.
01:04 And those with the bigger arms usually win the fight.
01:10 When a female arrives, males of all sizes and strengths
01:14 form large groups competing to fertilize her eggs.
01:17 Pigs are gregarious animals, and the social structure
01:22 is based on the dominant-subordinate relationship
01:25 to establish hierarchy.
01:27 Pigs use aggression to establish
01:29 the dominant-subordinate relationship.
01:31 Therefore, fighting occurs especially during the mixing
01:35 of unfamiliar animals.
01:37 Scarcity of key resources, such as feed, water,
01:40 or space to rest, will facilitate competition and fights.
01:45 For example, when feed is limited,
01:47 this will be the first accessed by dominant pigs
01:50 and followed by their subordinates.
01:55 Snakes very rarely actually fight.
01:58 They are not territorial animals,
02:00 so they do not fight for hunting grounds or space.
02:02 The only reason snakes generally engage in combat
02:07 is over females.
02:08 If there are multiple males in an area with only one female,
02:13 and both snakes are unwilling to back down,
02:16 a fight will likely ensue.
02:18 However, when combat begins,
02:23 snakes are actually very careful
02:25 not to bite or injure one another.
02:27 Their fight becomes more like an elaborate, elegant dance.
02:33 [BLANK_AUDIO]