| 11. | Spaying may therefore escalate any observable aggressive behaviour, either to humans or other dogs.
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| 12. | Dogs that display dog-aggressive behaviour do not necessarily show aggressive behaviour towards humans.
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| 13. | Dogs that display dog-aggressive behaviour do not necessarily show aggressive behaviour towards humans.
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| 14. | In populations where the resources are scarcer, more aggressive behaviours are likely to evolve.
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| 15. | It displays an aggressive behaviour, baring its open blue mouth and barking if provoked.
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| 16. | A wide variety of displays are seen, with aggressive behaviours outnumbering pro-social ones.
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| 17. | The lyrics'violent representations, including murder and aggressive behaviour, have also generated controversy.
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| 18. | Therefore, once the dominance hierarchy is established, aggressive behaviour is reduced between herd members.
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| 19. | She moved to Shreveport after having been expelled from a nest in Illinois for aggressive behaviour.
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| 20. | The diet section does not provide any evidence that diet causes self harm just aggressive behaviour.
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