Evolutionary origins of cooperative and communal breeding: Lessons from the crotophagine cuckoos

Riehl, Christina

doi:10.1111/eth.13149

Cited by 14 publications

(8 citation statements)

References 94 publications

(131 reference statements)

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“…Communal breeding is a social structure with a highly complex social environment. Communal breeders, like Degus, Octodon degus 7 , 28 , can have several breeding pairs of mixed relation, and most group members engage in parenting 29 . Further, there is high group member turnover in Degus, resulting in a frequent influx of social novelty 28 .…”

Section: Introductionmentioning

confidence: 99%

Biased brain and behavioral responses towards kin in males of a communally breeding species

Fricker,

Ho,

Seifert

et al. 2023

Sci Rep

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In complex social environments, individuals may interact with not only novel and familiar conspecifics but also kin and non-kin. The ability to distinguish between conspecific identities is crucial for most animals, yet how the brain processes conspecific type and how animals may alter behavior accordingly is not well known. We examined whether the communally breeding spiny mouse (Acomys cahirinus) responds differently to conspecifics that vary in novelty and kinship. In a group interaction test, we found that males can distinguish novel kin from novel non-kin, and preferentially spend time with novel kin over familiar kin and novel non-kin. To determine whether kinship and novelty status are differentially represented in the brain, we conducted immediate early gene tests, which revealed the dorsal, but not ventral, lateral septum differentially processes kinship. Neither region differentially processes social novelty. Further, males did not exhibit differences in prosocial behavior toward novel and familiar conspecifics but exhibited more prosocial behavior with novel kin than novel non-kin. These results suggest that communally breeding species may have evolved specialized neural circuitry to facilitate a bias to be more affiliative with kin, regardless of whether they are novel or familiar, potentially to promote prosocial behaviors, thereby facilitating group cohesion.

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Section: Introductionmentioning

confidence: 99%

Biased brain and behavioral responses towards kin in males of a communally breeding species

Fricker,

Ho,

Seifert

et al. 2023

Sci Rep

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show abstract

“…This is in line with published accounts on group‐size distributions, which are almost always unimodal. Typically, facultative cooperative breeders (red‐cockaded woodpeckers, Walters & Garcia, 2016; western bluebirds, Dickinson & Akre, 1998, Potticary et al, 2018; white‐browed sparrow weavers, Plocepasser mahali , Harrison et al, 2013; alpine marmots, Marmota marmota , Grimm et al, 2003), as well as cooperative breeders with few helpers (carrion crows, Baglione & Canestrari, 2016; grey‐crowned babbler, Pomatostomus temporalis , Edwards & Kot, 1995) and communal breeders with small groups (greater ani, Crotophaga major , Riehl, 2021) have unimodal, right‐skewed group‐size distributions. Obligate cooperative breeders and communal breeders with large groups and tend to have unimodal, symmetrical group‐size distributions (pied babblers, Ridley, 2016; grey‐throated babbler, Stachyris nigriceps , Kaiser et al, 2018; guira cuckoos, Guira guira ; Macedo, 2016, cichlids, N .…”

Section: Part 2: Positive Feedback Between Social Competence and Soci...mentioning

confidence: 99%

A positive feedback loop between sociality and social competence

Taborsky

2021

Ethology

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Socially living animals may have hundreds of social encounters a day with conspecifics. Individuals that are able to integrate social information about the context of an encounter, the social position, state and motivation of a social partner relative to one's own, and consequently, to express appropriate social behaviours should accrue fitness benefits compared to individuals not using social information. The ability of an individual to optimize its social behaviour depending on the available social information is referred to as social competence (Oliveira, 2009;Taborsky & Oliveira, 2012). Benefits from a higher social competence can include, for instance, more efficient or faster solutions of conflicts over resources, thereby saving energy and time (Lehner et al., 2011) or reducing the risk of injuries (Camerlink et al., 2019). Social competence may help, for instance, to attract group mates to a cooperative task in order to gain a resource

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“…obs.). Nonreproductive helpers, who are present in about 20% of groups (Riehl, 2021), do not appear to contribute vocally, but will frequently perch nearby the assembled “huddle” (Riehl & Jara, 2009).…”

Section: Introductionmentioning

confidence: 99%

Group chorusing as an intragroup signal in the greater ani, a communally breeding bird

Savagian

Riehl

2022

Ethology

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Cooperative groups of animals across a wide range of taxa produce coordinated collective signals, in which the contributions of multiple signalers combine into a single vocal phenomenon, perceived at the group level (Brumm & Slater, 2007). Pair-living species produce duets, while group-living species produce larger choruses, which may involve only some or all group members (McIntyre et al., 2017;Tobias et al., 2016;Van Belle et al., 2014). The combination of multiple component voices into a collective signal, which may have properties and structures unique from its constituent parts, offers an important window into the interactions and relationships among

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Evolutionary origins of cooperative and communal breeding: Lessons from the crotophagine cuckoos

Cited by 14 publications

References 94 publications

Biased brain and behavioral responses towards kin in males of a communally breeding species

Biased brain and behavioral responses towards kin in males of a communally breeding species

A positive feedback loop between sociality and social competence

Group chorusing as an intragroup signal in the greater ani, a communally breeding bird

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