Causes of natal dispersal in a monogamous ungulate, the Japanese serow, Capricornis crispus

Ochiai, Keiji; Susaki, Kayoko

doi:10.1016/j.anbehav.2006.03.030

Cited by 10 publications

(10 citation statements)

References 36 publications

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“…In most species dispersing individuals leave their natal range and so it is not possible to test whether competition or inbreeding avoidance is the primary function because both are achieved by dispersal in space (e.g. ungulates, Ochiai & Susaki 2007;primates, Radespiel et al 2003). In some primates (Isbell & Duren 1996) and equids (Klingel 1974), however, females live in year-round groups that do not defend resources or space.…”

mentioning

confidence: 99%

Social dispersal but with philopatry reveals incest avoidance in a polygynous ungulate

Linklater

Cameron

2009

Animal Behaviour

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confidence: 99%

Social dispersal but with philopatry reveals incest avoidance in a polygynous ungulate

Linklater

Cameron

2009

Animal Behaviour

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“…Aggression from natal group members can drive individuals to disperse from the group 18 , 65 , which is the case for offspring and parents in monogamous species 23 , 24 . Even though the within-group aggressive behaviors are not frequent in gibbons, we revealed that the aggression from parents to their offspring increased throughout the prolonged period of the maturation in Javan gibbons.…”

Section: Discussionmentioning

confidence: 99%

“…In owl monkeys ( Aotus azarae ), aggression from adults toward older offspring may influence the dispersal of offspring, while mitigating intra-group competition 23 . In Japanese serow ( Capricornis crispus ), adult males were more aggressive toward male offspring than toward female offspring, indicating that competition drives offspring dispersal 24 . However, it has not been well studied what factors influence the natal dispersal of offspring in pair-living species.…”

Section: Introductionmentioning

confidence: 99%

Intra-group competition and social dynamics regarding dispersal and maturation in wild Javan gibbon (Hylobates moloch)

Choi

Mardiastuti

et al. 2023

Sci Rep

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Natal dispersal is an important life-history trait in all animal taxa. In pair-living species, parent–offspring competition derived from the offspring’s maturity can motivate the natal dispersal of offspring. However, not much has been known about the dispersal mechanisms of pair-living gibbons. To test food and mate competition as potential reasons for dispersal, we investigated the effect of the offspring age and sex on relationships between parents and offspring in wild Javan gibbon (Hylobates moloch) in Gunung Halimun-Salak National Park, Indonesia. We collected behavioral data for two years between 2016 and 2019. We found that aggression from parents toward offspring increased in both feeding and non-feeding context as the offspring got older. Offspring received more aggression from the parent of the same sex in the general context. While offspring decreased co-feeding and grooming time with parents as they got older, there was no change in the proximity and approach to parents. The results imply the presence of both intra-group food and mate competition which increase with the offspring’s age. We highlight that increased competition between maturing offspring and parents changes their social relationships and peripheralizes offspring from the natal group which will eventually motivate offspring to disperse in Javan gibbons.

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“…Why and how animals disperse are hot topics in behavioral ecology 1 . Dispersal is affected by population density, resource competition, mating competition, in-breeding avoidance and fluctuation in habitat carrying capacity 2 3 4 .…”

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Stepping-stones and dispersal flow: establishment of a meta-population of Milu (Elaphurus davidianus) through natural re-wilding

Yang

Song

et al. 2016

Sci Rep

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The Milu (Père David’s deer, Elaphurus davidianus) became extinct in China in the early 20th century but was reintroduced to the country. The reintroduced Milu escaped from a nature reserve and dispersed to the south of the Yangtze River. We monitored these accidentally escaped Milu from 1995 to 2012. The escaped Milu searched for vacant habitat patches as “stepping stones” and established refuge populations. We recorded 122 dispersal events of the escaped Milu. Most dispersal events occurred in 1998, 2003, 2006 and 2010. Milu normally disperse in March, July and November. Average dispersal distance was 14.08 ± 9.03 km, with 91.41% shorter than 25 km. After 5 generations, by the end of 2012, 300 wild Milu were scattered in refuge populations in the eastern and southern edges of the Dongting Lake. We suggest that population density is the ultimate cause for Milu dispersal, whereas floods and human disturbance are proximate causes. The case of the Milu shows that accidentally escaped animals can establish viable populations; however, the dispersed animals were subject to chance in finding “stepping stones”. The re-wilded Milu persist as a meta-population with sub-populations linked by dispersals through marginal habitats in an anthropogenic landscape.

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Causes of natal dispersal in a monogamous ungulate, the Japanese serow, Capricornis crispus

Cited by 10 publications

References 36 publications

Social dispersal but with philopatry reveals incest avoidance in a polygynous ungulate

Social dispersal but with philopatry reveals incest avoidance in a polygynous ungulate

Intra-group competition and social dynamics regarding dispersal and maturation in wild Javan gibbon (Hylobates moloch)

Stepping-stones and dispersal flow: establishment of a meta-population of Milu (Elaphurus davidianus) through natural re-wilding

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