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Mohan, K.
- Interactions of Lion-Tailed Macaque (Macaca silenus) with Non-Primates in the Western Ghats, India
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Authors
Affiliations
1 Bio-Psychology Laboratory and Institute of Excellence, University of Mysore, Mysuru 570 006, IN
2 Sálim Ali Centre for Ornithology and Natural History, Coimbatore 641 108, IN
1 Bio-Psychology Laboratory and Institute of Excellence, University of Mysore, Mysuru 570 006, IN
2 Sálim Ali Centre for Ornithology and Natural History, Coimbatore 641 108, IN
Source
Current Science, Vol 112, No 10 (2017), Pagination: 2129-2134Abstract
Primates and non-primates inhabiting tropical forests may interact with each other since they coexist in the same communities. Primates usually interact with their prey, predators, competitors and neutral species. Using 'all occurrence' sampling, we have studied inter-specific interactions of lion-tailed macaques with non-primate species found in their habitat. We observed that the percentage of total time spent on interactions with non-primates was less than 1. Also, the percentage of total time spent in interacting with competitors, predators and neutral species was less than 0.5. The lack of predation pressure and lack of opportunities for mixed-species associations for increasing foraging efficiency appear to be the major reasons for the absence of interactions with nonprimates. By comparing with studies from other primate habitat regions, we observed that primates in South Asia interact much lesser with non-primates than those in South America and Africa. A previous study showed that the interactions of lion-tailed macaques even with other primate species in the Western Ghats are less than expected by chance.Keywords
Inter-Specific Competition, Mixed-Species Troops, Macaca silenus, Primate–Predator Interaction.Full Text
References
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- Altered Habitats, Altered Behaviours:Use of Plastic in Nest Building by Indian Palm Squirrel
Abstract Views :535 |
PDF Views:86
Authors
K. Mohan
1,
Mewa Singh
1
Affiliations
1 Bio-Psychology Laboratory and Institute of Excellence, University of Mysore, Mysuru 570 006, IN
1 Bio-Psychology Laboratory and Institute of Excellence, University of Mysore, Mysuru 570 006, IN
Source
Current Science, Vol 114, No 05 (2018), Pagination: 963-963Abstract
Nests are observed throughout the animal kingdom, and in general, they are essential for the protection and upbringing of young ones. Owing to the thermal determination of sexes in reptilian species, and communal livelihoods of social insects, both nest-building and nests have received considerable scientific attention. Social insects communally build large nests and spend their lives completely within them. Birds build their nests just before egg laying and abandon them immediately after the departure of the fledglings. Chimpanzees build their nests for the purpose of sleeping and hence, construct them on a daily basis. Additionally, nests differ in shape, size and materials used to build them.Full Text
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- Is Habitat Suitability Sex-Specific? A Study of the Indian Giant Squirrel (Ratufa indica maxima) in the Western Ghats of India
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PDF Views:60
Authors
Affiliations
1 Biopsychology Laboratory, Institution of Excellence, University of Mysore, Mysuru 570 006, IN
2 Department of Zoology, Kannur University, Mananthavady Campus, Kannur 670 645, IN
3 Manipal Academy of Higher Education, Manipal 576 104, IN
4 National Centre for Biological Sciences, GKVK Campus, Bellary Road, Bengaluru 560 065, IN
1 Biopsychology Laboratory, Institution of Excellence, University of Mysore, Mysuru 570 006, IN
2 Department of Zoology, Kannur University, Mananthavady Campus, Kannur 670 645, IN
3 Manipal Academy of Higher Education, Manipal 576 104, IN
4 National Centre for Biological Sciences, GKVK Campus, Bellary Road, Bengaluru 560 065, IN
Source
Current Science, Vol 125, No 1 (2023), Pagination: 66-72Abstract
Habitat suitability difference between sexes results in sex-specific dispersal. Although this behaviour is one of the key factors in understanding population dynamics, there are limited studies to evaluate it in arboreal species. We studied the distribution of the Indian Giant Squirrel (IGS; Ratufa indica maxima) from a sex perspective. We also evaluated potentiallly suitable habitat types for the species in the Nelliyampathy Reserve Forest, Western Ghats, Kerala, India. We used the sweep survey method to record the distribution pattern of squirrels and analysed the influence of climatic layers and other variables on the distribution using MaxEnt. The study revealed that there was a difference between the sexes in habitat selection. Males preferred more land-use types than females, which were restricted to only certain land-use types. Some of the major factors that determined the distribution of species were distance from urban settlement (50.1%), distance from shade plantation (23.2%), distance from rocky outcrop (9.2%), minimum temperature of the coldest month (9%) and precipitation of the wettest quarter (8.5%). The final MaxEnt model output predicted 49.07% suitable habitat for IGS, of which 45.47% and 34.42% were suitable for males and females respectively, with an overlap of 30.82% between the sexes. We suggest that it would be important to include a sex perspective in species habitat suitability studies in order to gain insights into sex-related habitat specificity and its role in dispersal.Keywords
Conservation Measures, Distribution Modelling, Habitat Loss, Ratufa indica maxima, Sex-Specific Dispersal.Full Text
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