Kin Recognition in Ground Squirrels and Other Rodents

Mateo, Jill M.

doi:10.1644/ble-011

Cited by 143 publications

(127 citation statements)

References 122 publications

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“…Since there is a low occurrence of full-sibling matings, the most likely mechanism underlying kin recognition of natal family would be early development imprinting from the natal family (Mateo 2003). There seems to be no discrimination of matings with second-order relatives (Fig.…”

Section: Discussionmentioning

confidence: 99%

Mating patterns in an inbred Arctic carnivore

2018

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Mating patterns are highly context-dependent and the outcome of selection pressures formed by ecological factors, inbreeding levels and access to available partners. In small and inbred populations, matings are limited by high kin encounter rates and access to mates. In this paper, we use background pedigree data to investigate mating patterns and inbreeding avoidance in an isolated and critically endangered Arctic fox (Vulpes lagopus) population. Empirical data showed avoidance of matings within natal family. Based on 35 documented matings, we only recorded two full-sibling matings and these occurred between individuals from different natal families. Matings between second-order relatives, however, occurred to the same extent as between unrelated individuals. To test how this influenced the population development of inbreeding (f), we simulated scenarios of random mating, exclusion of natal family and exclusion of individuals in already existing pair bonds. The observed development of inbreeding did not correspond the expected scenario of random mating (linear regression, r 2 = 0.354, P = 0.20), but showed a comparable outcome as the simulated development of discriminating natal family (linear regression, r 2 = 0.980, P < 0.001). We conclude that behavioural, pre-copulatory inbreeding avoidance strategies occur in this population and that exclusion of mating with natal family causes a slower increase in inbreeding levels compared to random mating. This study demonstrates how long-term monitoring, pedigree construction and simulations can generate information valuable for an in-depth understanding of both conservation genetics and behavioural ecology in threatened populations.

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Section: Discussionmentioning

confidence: 99%

Mating patterns in an inbred Arctic carnivore

2018

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“…Chemoreception is ubiquitous among animals and is used for diverse purposes, including foraging (Nevitt et al, 1995;Derby et al, 2001;Clark, 2004), predator detection (Dielenberg and McGregor, 2001;Lukowiak et al, 2008), kin recognition (Todrank et al, 1998;Mateo, 2003), communication (Waldman and Bishop, 2004) and navigation (Hasler et al, 1978;Vickers, 2000;Lohmann et al, 2008a). Chemical cues may be particularly important to aquatic species, which often inhabit environments where visibility is poor and the availability of other sensory cues is limited (Wisenden, 2000;Lohmann et al, 2008a).…”

Section: Introductionmentioning

confidence: 99%

Perception of airborne odors by loggerhead sea turtles

Endres

Putman

Lohmann

2009

Journal of Experimental Biology

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SUMMARYSea turtles are known to detect chemical cues, but in contrast to most marine animals, turtles surface to breathe and thus potentially have access to olfactory cues both in air and in water. To determine whether sea turtles can detect airborne chemical cues, captive loggerhead turtles (Caretta caretta) were placed into a circular, water-filled arena in which odorants could be introduced to the air above the water surface. Air that had passed across the surface of a cup containing food elicited increased activity, diving and other behavior normally associated with feeding. By contrast, air that had passed across the surface of an identical cup containing distilled water elicited no response. Increases in activity during food odor trials occurred only after turtles surfaced to breathe and peaked in the first post-breath minute, implying that the chemical cues eliciting the responses were unlikely to have been detected while the turtles were under water. These results provide the first direct evidence that sea turtles can detect airborne odors. Under natural conditions, this sensory ability might function in foraging, navigation or both.

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“…Whereas kin bias in social behaviour is widespread, the proximate mechanisms underlying the ability to recognize kin remain poorly studied, with the exception of laboratory rodents 5,6 . Groups of non-human primates are characterized by the co-residence of individuals belonging to various kin classes and showing variable social bonds 7 .…”

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confidence: 99%

Social shaping of voices does not impair phenotype matching of kinship in mandrills

et al. 2015

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Kin selection theory provides a strong theoretical framework to explain the evolution of altruism and cooperative behaviour among genetically related individuals. However, the proximate mechanisms underlying kin discrimination, a necessary process to express kin-related behaviour, remain poorly known. In particular, no study has yet unambiguously disentangled mechanisms based on learned familiarity from true phenotype matching in kin discrimination based on vocal signals. Here we show that in addition to genetic background, social accommodation also shapes individual voices in an Old World monkey (Mandrillus sphinx), even though primate vocalizations were thought to be innate and little flexible. Nonetheless, social shaping of voice parameters does not impair kin discrimination through phenotype-matching of unknown relatives, revealing unexpected discriminatory versatility despite signal complexity. Accurate signal production and perception, therefore, provide a basis for kin identification and kin-biased behaviour in an Old World primate.

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Kin Recognition in Ground Squirrels and Other Rodents

Cited by 143 publications

References 122 publications

Mating patterns in an inbred Arctic carnivore

Mating patterns in an inbred Arctic carnivore

Perception of airborne odors by loggerhead sea turtles

Social shaping of voices does not impair phenotype matching of kinship in mandrills

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