Return to the Isle of Puffins
The Companion in the Bird's World
Lorenz, K.Z. (1937) The Auk 54:245-273
Abstract

https://sora.unm.edu/node/17384

English summary of: Lorenz, K. (1935) "Der Kumpan in der Umwelt des Vogels: der Artgenosse als auslosendes Moment sozialer Verhaltungsweisen" Journal fur Ornithologie 83(2):137-213 http://link.springer.com/article/10.1007/BF01905355#


Notes

Local copy

the releasing functions of the parent-companion:

  • (a) the releasing of begging reactions,
  • (b) of food-taking reactions,
  • (c) of following reactions,
  • (d) of responses to warning, and
  • (e) of the responses to being defended by the parent.
The releasing functions of the child-companion:
  • (a) the releases of feeding reactions,
  • (b) of nest-cleaning reactions,
  • (c) of leading reactions,
  • (d) of defence reactions,
  • (e) of other life-saving reactions,
  • (f) of brooding reactions,
  • (g) the responses to the disappearance of the child-companion.
The releasing functions of the sex-companion:
  • (a) the interlocking of instinctive actions pertaining to mating
  • (b) the synchronization of mating cycles
  • (c) the interlocking of instinctive actions in nest-building
  • (d) the releasing reactions leading to copulation
  • (e) the interlocking of instinctive actions pertaining to nest-relief
  • (f) the responses to the disappearance of the sex-companion
The releasing functions of the social companion:
  • (a) inducing of reaction by 'contagion' and so-called imitation
  • (b) the releasing of following reactions
  • (c) of responses to warning
  • (d) of social attack reactions
  • (e) the interlocking of instinctive actions pertaining to the pecking-order and to nest-protection
  • (f) responses to the disappearance of the social companion
The releasing functions of the brother-and-sister-companion:
  • (a) the releasing of following reactions
  • (b) inducing of reactions by 'contagion'
  • (c) the releasing of responses to warning
  • (d) of communal defence reactions
  • (e) the responses to the diasppearance of the brother-and-sister companion
  • (f) the interlocking of instinctive actions pertaining to the pecking-order

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