The Trill of the Chase: Eastern Chipmunks Call to Warn Kin

Silva, Karen Burke da; Mahan, Carolyn G.; Silva, Jack da

doi:10.1644/1545-1542(2002)083<0546:ttotce>2.0.co;2

Cited by 17 publications

(5 citation statements)

References 33 publications

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Section: Contexts For Kin Selectionmentioning

confidence: 99%

“…Kin selection offers an obvious solution to this problem and the seminal studies of alarm calling in ground squirrels provided some of the earliest and still among the best examples of kin discriminatory behaviour (Sherman 1977(Sherman , 1980. More recent studies of other rodent species have provided further circumstantial evidence for the kin-selected hypothesis (Burke da Silva et al 2002). On the other hand, Shelley & Blumstein's (2004) comparative analysis of rodents concluded that alarm calls evolved first for communication with predators and that the nepotistic benefit of warning kin may be relatively unimportant in their evolution.…”

Section: Predator Detection and Deterrencementioning

confidence: 99%

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Cryptic Kin Selection: Kin Structure in Vertebrate Populations and Opportunities for Kin‐Directed Cooperation

2010

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Animal societies of varying complexity have been the favoured testing ground for inclusive fitness theory, and there is now abundant evidence that kin selection has played a critical role in the evolution of cooperative behaviour. One of the key theoretical and empirical findings underlying this conclusion is that cooperative systems have a degree of kin structure, often the product of delayed dispersal, that facilitates interactions with relatives. However, recent population genetic studies have revealed that many non‐cooperative animals also have kin‐structured populations, providing more cryptic opportunities for kin selection to operate. In this article, I first review the evidence that kin structure is widespread among non‐cooperative vertebrates, and then consider the various contexts in which kin selection may occur in such taxa, including: leks, brood parasitism, crèches, breeding associations, territoriality and population dynamics, foraging and predator deterrence. I describe the evidence that kin‐selected benefits arise from interacting with kin in each of these contexts, notwithstanding the potential costs of kin competition and inbreeding. I conclude that as the tools required to determine population genetic structure are readily available, measurement of kin structure and the potential for kin selection on a routine basis is likely to reveal that this process has been an important driver of evolutionary adaptation in many non‐cooperative as well as cooperative species.

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Section: Contexts For Kin Selectionmentioning

confidence: 99%

Section: Predator Detection and Deterrencementioning

confidence: 99%

Cryptic Kin Selection: Kin Structure in Vertebrate Populations and Opportunities for Kin‐Directed Cooperation

2010

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“…Vocalizations play an important role across the animal kingdom, communicating personal information including physical attributes (Gamba et al, 2012;Ji et al, 2013;Stoeger and Baotic, 2016) and physiological state (Knutson et al, 2002;Sehrsweeney et al, 2019), as well as survival-related information such as the presence of predators (da Silva et al, 2002;Seyfarth et al, 1980). Animals emit vocalizations with varying levels of acoustic complexity.…”

Section: Introductionmentioning

confidence: 99%

Mouse vocal emission and acoustic complexity do not scale linearly with the size of a social group

Warren

Spurrier

Sangiamo

et al. 2021

Journal of Experimental Biology

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Adult mice emit ultrasonic vocalizations (USVs), sounds above the range of human hearing, during social encounters. While mice alter their vocal emissions between isolated and social contexts, technological impediments have hampered our ability to assess how individual mice vocalize in group social settings. We overcame this challenge by implementing an 8-channel microphone array system, allowing us to determine which mouse emitted individual vocalizations across multiple social contexts. This technology, in conjunction with a new approach for extracting and categorizing a complex, full repertoire of vocalizations, facilitated our ability to directly compare how mice modulate their vocal emissions between isolated, dyadic and group social environments. When comparing vocal emission during isolated and social settings, we found that socializing male mice increase the proportion of vocalizations with turning points in frequency modulation and instantaneous jumps in frequency. Moreover, males change the types of vocalizations emitted between social and isolated contexts. In contrast, there was no difference in male vocal emission between dyadic and group social contexts. Female vocal emission, while predominantly absent in isolation, was also similar during dyadic and group interactions. In particular, there were no differences in the proportion of vocalizations with frequency jumps or turning points. Taken together, the findings lay the groundwork necessary for elucidating the stimuli underlying specific features of vocal emission in mice.

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“…Other calls may also convey discomfort or fear. Eastern chipmunks give a trill when escaping from a predator (Burke da Silva et al 1994Silva et al , 2002. The exact communication function of the chipmunk trill is unknown, but it may convey a sense of fear since the chipmunk is fleeing a predator.…”

Section: Discomfort Callsmentioning

confidence: 99%

Behaviors associated with vocal communication of squirrels

Diggins

2021

Ecosphere

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Vocal communication is an important method squirrels (Sciuridae) use to transfer information from one individual to others. While behaviors associated with vocal communication have been explored in individual species or single call-types in specific groups of squirrels, no comprehensive review of these behaviors exists for Sciuridae. Herein, I review the current literature to describe behaviors associated with vocal communication in three groups of squirrels: ground squirrels, tree squirrels, and flying squirrels. I discuss the behavioral functions of squirrel vocalizations. A wide variety of behaviors are associated with particular call-types produced by squirrels, including alarm, agonistic, discomfort, affiliative, mating, and neonatal calls. There are large knowledge gaps in cataloging the vocal repertoires and associated behaviors of many species of squirrels, including commonly studied species such as marmots and ground squirrels, as alarm calls are typically focused on and other call-types are understudied or ignored. Since vocal communication is important to the development, reproduction, and survival of squirrels, further understanding the biological and ecological drivers behind vocal repertoires is critical to evaluating the ethology of this family as a whole.

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The Trill of the Chase: Eastern Chipmunks Call to Warn Kin

Cited by 17 publications

References 33 publications

Cryptic Kin Selection: Kin Structure in Vertebrate Populations and Opportunities for Kin‐Directed Cooperation

Cryptic Kin Selection: Kin Structure in Vertebrate Populations and Opportunities for Kin‐Directed Cooperation

Mouse vocal emission and acoustic complexity do not scale linearly with the size of a social group

Behaviors associated with vocal communication of squirrels

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