Journal of Threatened Taxa |
www.threatenedtaxa.org | 26 August 2021 | 13(9): 19363–19366
ISSN 0974-7907 (Online) | ISSN 0974-7893
(Print)
https://doi.org/10.11609/jott.5747.13.9.19363-19366
#5747 | Received 31 January 2020 | Final
received 13 July 2021 | Finally accepted 07 August 2021
Life near a city: activity
pattern of Golden Jackal Canis aureus
Linnaeus, 1758 (Mammalia: Carnivora: Canidae) in a habitat adjoining
Bhubaneswar, India
Subrat Debata
Aranya Foundation, Plot No-625/12, Mars
Villa, Panchasakha Nagar, Dumduma,
Bhubaneswar, Odisha 751019, India.
subrat.debata007@gmail.com
Editor: Mewa Singh, University of Mysore,
Mysuru, India. Date of publication: 26 August
2021 (online & print)
Citation: Debata,
S. (2021). Life near a city: activity
pattern of Golden Jackal Canis aureus
Linnaeus, 1758 (Mammalia: Carnivora: Canidae) in a habitat adjoining
Bhubaneswar, India. Journal of Threatened Taxa 13(9): 19363–19366. https://doi.org/10.11609/jott.5747.13.9.19363-19366
Copyright: © Debata
2021. Creative Commons Attribution
4.0 International License. JoTT allows unrestricted use, reproduction, and
distribution of this article in any medium by providing adequate credit to the
author(s) and the source of publication.
Funding: Compensatory Afforestation
Fund Management and Planning Authority,
India.
Competing interests: The author
declares no competing interests.
Acknowledgements: The study was made possible with
financial assistance from the Compensatory Afforestation Fund Management and
Planning Authority, India allotted to Chandaka
Wildlife Division. I am thankful to the field staff of the Chandaka-Dampara
Wildlife Sanctuary for their support during the study.
Activity patterns of a species
are shaped by its biological requirements (Wrangham
& Rubenstein 1986), and are often influenced by its foraging behaviour,
prey behaviour, predator pressure, physiological traits, vegetation cover, and
climatic condition (Seidensticker 1976; Servin et al.
1991; Ilemin & Gürkan
2010; Kachamakova & Zlatanova
2014). Nature and intensity of various anthropogenic activities also greatly
impact behaviour and activity patterns of wild animals (Barrueto
et al. 2014; Thorsen 2016). In fact, the influence of human disturbances
compels wild animals to be more nocturnal (Gaynor et al. 2018).
Golden Jackals are the commonly
occurring wild canids in India and inhabit a wide range of habitats from forest
to grasslands, mangroves, urban as well as semi urban areas (Menon 2014).
Although the species is more generalist in habitat and diet preference, and
tolerates human presence, its population has significantly declined in the
recent past in many parts of the distributional range including India (Jhala & Moehlman 2004; Giannatos et al. 2005). Studies on the behavioural aspects
focused on activity patterns of Golden Jackal are limited in India (Majumder et
al. 2011; Gupta et al. 2016; Ojha et al. 2017; Mukherjee et al. 2018). Here,
using camera trap photo capture rate I report the activity patterns of Golden
Jackal from a protected habitat surrounded by densely human populated urban
area in Odisha, eastern India.
The study was conducted in Bharatpur and Jagannathprasad
forest sector of Chandaka-Dampara Wildlife Sanctuary
in Odisha (Figure 1). The area lies between 20.286–20.360 °N &
85.756–85.810 °E covering an area of 19.27km² along the eastern side of the
sanctuary adjoining Bhubaneswar, the capital city of Odisha. Vegetation of the
area is composed of mixed dry deciduous forest and bamboo brakes and major
portion of it is covered with shrubby vegetation. As the area adjoins the city,
it experiences severe anthropogenic pressure from the growth and development of
the city. I deployed nine camera traps (Cuddeback,
USA) for four months from January to April 2019 as part of a study on
monitoring the mammalian fauna in the study area. I first divided the area into
1 km² grids and deployed one camera in each grid for 25 to 30 days. Cameras
were installed along motorable roads and foot paths by strapping them on trees
approximately 50 cm above ground and set operational 24 hours/ day. Cameras
were programmed to take two consecutive photos registering date, time, and
temperature for each exposure with 30 seconds delay for the next exposure. I
rated each photo as an independent capture, if the time between two consecutive
photographs of the same subject was more than 30 minutes at a particular
location (O’Brien et al. 2003).
For all the independent photos of
Golden Jackal and human traffic, the times of captures were noted down in
24-hour format. Photographs depicting movement of departmental staffs,
tourists, and vehicles were all categorised as human traffic. All the
photographs captured in two hours of interval in each category were separated
to examine the intensity of percent activity. To know the significant difference
in percent activity level of Golden Jackal between day and night, I performed
Student’s t-test (t) and based on the percent activity level, the studied
species behaviour was indicated as nocturnal, diurnal or crepuscular in the
study area. The statistical test was carried out in windows based MS excel data
analysis tool.
During the study, a total of 552
independent photos of Golden Jackals (Image 1) and 1,055 independent photos of
human traffic were obtained from 771 trap nights. Based on the photographs, Golden
Jackals were found to be mostly nocturnal and crepuscular and showed two major
peaks in activity; the first peak during late evening after sunset and the
second peak during early morning till sunrise (Figure 2). Overall, the percent
activity was significantly higher during night than day (t= 5.45, df=10, p <0.01; Figure 2). Although Golden Jackals were
active throughout the day, they showed reduced activity during day time when
human traffic was much higher (Figure 2).
Golden Jackals are mostly crepuscular
and nocturnal, although their activity has been reported throughout the day
(Majumder et al. 2011; Katuwal & Dahal 2013; Gupta et al. 2016; Ojha et al. 2017). In the
present study similar kind of activity pattern of Golden Jackal was observed
and there could be several factors for this. First it could be due to the
temporal activity of prey species. In India, some studies have reported that
rodents, which contribute a major portion of Golden Jackal’s diet, are
nocturnal (Mukherjee et al. 2004; Majumder et al. 2011). Second, Golden Jackals
might have reduced their activity during the day to avoid the intense heat.
Daytime resting behaviour of Golden Jackal is common and reported earlier by
Jaeger et al. (2007), Rotem et al. (2011), Georgiev et al. (2015), Jenks et al. (2015), and Ojha et
al. (2017). Additionally human traffic might be a factor in the present study
area affecting diurnal activity of the Golden Jackal. Studies have reported
that when the species occurs near human habitation, it is more nocturnal, and
in relatively less anthropogenic areas, it is largely diurnal (Sheldon 1992;
Fox 2009). As the present study area is surrounded by densely populated human
habitations, it receives maximum protection interventions throughout the day
and night patrolling activities. Besides that, an ecotourism activity with
facilities of trekking and wildlife safari has been implemented in the area
very recently. All the above mentioned factors might have caused reduced
diurnal activity of Golden Jackal. Golden Jackals are adapted to urbanisation
and benefit from easily available food resources. However, in some parts of
their range, they have either disappeared or their numbers are declining due to
increasing anthropogenic pressure (Jhala & Moehlman 2004). Although the present study was for a
limited time period, it helped to understand the activity of the species
adjoining an anthropogenic habitat. Further, long-term studies may aid to
understand the change in activity pattern of the species in response to various
anthropogenic activities.
For
figures & image - - click here
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