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The acoustic structure of suricates' alarm calls varies with predator type and the level of response urgency
- M. Manser
- PhysicsProceedings of the Royal Society of London…
- 22 November 2001
This paper presents an example of a graded alarm call system that combines referential information and also information on the level of urgency, and suggests that, while suricates convey information about thelevel of urgency along a general rule, the referentIAL information about each category of predator type is not encoded in an obvious way.
Selfish sentinels in cooperative mammals.
Support is provided for the theory that guarding may be an individual's optimal activity once its stomach is full if no other animal is on guard by showing that, in groups of meerkats, animals guard from safe sites, and solitary individuals as well as group members spend part of their time on guard.
Intrasexual competition and sexual selection in cooperative mammals
It is shown that females gain greater benefits from acquiring dominant status than males and traits that increase competitive ability exert a stronger influence on their breeding success, and the extent to which competition for breeding opportunities between females can affect the evolution of sex differences and the operation of sexual selection.
The information that receivers extract from alarm calls in suricates
- M. Manser, M. Bell, L. B. Fletcher
- Environmental ScienceProceedings of the Royal Society of London…
- 7 December 2001
This study tested whether receivers respond appropriately when hearing a call in the absence of a predator, and found that subjects responded differently to alarm calls given in response to aerial or terrestrial predators and to recruitment calls emitted in Response to snakes and deposits on the ground.
Acoustic sequences in non‐human animals: a tutorial review and prospectus
- Arik Kershenbaum, D. Blumstein, V. Zamora‐Gutierrez
- BiologyBiological reviews of the Cambridge Philosophical…
- 1 February 2016
A uniform, systematic, and comprehensive approach to studying sequences is proposed, with the goal of clarifying research terms used in different fields, and facilitating collaboration and comparative studies.
Predation, group size and mortality in a cooperative mongoose, Suricata suricatta.
It is argued that high group extinction rates are to be expected in species where survival declines in small groups and mortality rates are high.
Costs of cooperative behaviour in suricates (Suricata suricatta)
- T. Clutton‐Brock, D. Gaynor, J. Skinner
- GeologyProceedings of the Royal Society of London…
- 7 February 1998
Here it is provided of one form of cooperative behaviour that is seldom performed by parents and has substantial energetic costs to helpers, in the cooperative mongoose, Suricata suricatta, non–breeding adults commonly babysit young pups at the natal burrow for a day at a time.
Cooperation, control, and concession in meerkat groups.
The results of the 7-year field study of cooperative meerkats support the predictions of limited control models and provide no indication that dominant females grant reproductive concessions to subordinates to retain their assistance with future breeding attempts.
Language evolution: syntax before phonology?
- Katie Collier, B. Bickel, C. V. van Schaik, M. Manser, S. Townsend
- LinguisticsProceedings of the Royal Society B: Biological…
- 7 August 2014
A linguistically informed review of animal call sequences demonstrates that phonology in animal vocal systems is rare, whereas syntax is more widespread, and hypothesize that syntax, present in all languages, evolved before phonology.