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Dear enemy recognition

  If you like animals and especially - the ethology, then you may be interested to know what is the "dear enemy recognition".
 

In ethology, dear enemy recognition is a situation in which a territorial animal responds more strongly to strangers than to its neighbors from adjacent territories. This phenomenon may be generally advantageous to an animal because it minimizes time and energy spent on territorial defense, and reduces the risk of injury during territorial encounters.

References

    ^ Pough, F. Harvey et al. 2002. Vertebrate Life, 6th Ed. Prentice Hall Inc., Upper Saddle River, NJ. ISBN 0130412481
    ^ Pough, F. Harvey et al. 2009. Vertebrate Life, 8th ed. Benjamin Cummings, San Francisco, CA.
    ^ Jaeger, Robert G. (January 8, 1980). "Dear Enemy Recognition and the Cost of Aggression Between Salamanders". The American Naturalist 117 (6): 962–974. doi:10.1086/283780. JSTOR 2460574.
    ^ Leiser, John K. and Itzkowitz, Murry (1999). "The Benefits of Dear Enemy Recognition in Three Contender Convict Cichlid Contests". Behaviour 136 (8): 983–1003. doi:10.1163/156853999501685. JSTOR 4535655.

 Source: http://en.wikipedia.org/wiki/Dear_enemy_recognition