Sibling recognition in the beaver: a field test for phenotype matching

@article{Sun1997SiblingRI,
  title={Sibling recognition in the beaver: a field test for phenotype matching},
  author={Lixing Sun and Dietland M{\"u}ller-Schwarze},
  journal={Animal Behaviour},
  year={1997},
  volume={54},
  pages={493-502}
}
The hypothesis of kin recognition by phenotype matching predicts that relatives can be identified without previous contact, and/or that cues used for recognition can be learned indirectly from a third but related individual. This hypothesis was tested in the field using 22 beaver, Castor canadensisfamilies. Individually identifiable beavers were provided with a two-way choice between two experimental scent mounds, one of which was scented with the anal gland secretion (AGS) from an unfamiliar… 
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TLDR
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TLDR
It is reported that kin recognition in the solitary parasitoid larvae of Aleochara bilineata (Coleoptera; Staphylinidae) is suppressed following carbon dioxide anesthesia or chill-coma, both treatments known to cause a temporary amnesia.
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TLDR
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Abstract We tested the hypothesis that Eurasian beavers, Castor fiber, display the dear enemy phenomenon; that is, they respond less aggressively to intrusions by their territorial neighbours than to
Social discrimination in lambs: the role of indirect familiarization and methods of assessment
Familiarization with individuals resulting from direct exposure is the primary mechanism mediating social recognition in many vertebrates. However, discernible phenotypic similarity among close kin
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Tadpoles were separated before hatching and reared apart from other individuals, results suggest that the ability of these tadpoles to discriminate between siblings and non-siblings has some innate component.
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TLDR
The phenotypes that females encountered during rearing, both their nestmates' and their own, influenced their later social discriminations, probably by phenotype matching.
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KIN RECOGNITION IN ANIMALS
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TLDR
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