88urn:lsid:arphahub.com:pub:84CAD438-4D58-581C-86A1-48EF43C3EC79urn:lsid:zoobank.org:pub:542781E0-20B8-4AA4-89C6-433F852216AENeotropical Biology and ConservationNBC2236-3777Pensoft Publishers10.3897/neotropical.18.e9502795027Short CommunicationAnimaliaCarnivoraMammaliaBehaviour Biodiversity & ConservationActivity pattern and predatory behaviour of the ocelot (Leoparduspardalis) (Carnivora, Felidae) in mineral licks of the Yasuni National Park, EcuadorMacas-PogoPatriciopatomactkd@hotmail.comhttps://orcid.org/0000-0001-7313-97301Formal analysisMethodologyWriting - original draftMejía ValenzuelaEdisonhttps://orcid.org/0000-0002-6565-37371Writing - review and editingArévalo-SerranoGabriela23Writing - review and editingMinisterio del Ambiente, Agua y Transición Ecológica, Parque Nacional Yasuní, Programa de Reparación Ambiental y Social (PRAS), Av. Amazonas N 24-198, 170524, Quito, EcuadorMinisterio del Ambiente, Agua y Transición EcológicaQuitoEcuadorWuhan University of Technology, School of Natural Resources, Wuhan, ChinaWuhan University of TechnologyWuhanChinaYachay Tech University, School of Biological Sciences and Engineering, Urcuquí, EcuadorYachay Tech UniversityUrcuquíEcuador
2023180120231811111FE2D42F-5FA1-5B97-A49F-E0220878741E2109202220122022Patricio Macas-Pogo, Edison Mejía Valenzuela, Gabriela Arévalo-SerranoThis is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
The ocelot, Leoparduspardalis, is one of the opportunistic predators of the tropical forests that includes birds, small and medium mammals, amphibians and reptiles in its diet. Aiming to observe its behaviour within its natural habitat, 10 cameras were installed in 10 mineral licks within the Yasuni National Park (Ecuador). Both images and videos of ocelot predation events were collected. Hence, the frequency of activity of this specie was determined with the register of captures obtained. Three events are described: the first one, an image of an ocelot stalking a Mazama deer was taken, while in the second scene, a video of stalking an anuran was obtained and in the third event, a video of the ocelot capturing a flying bat was recorded. The use of camera traps allowed us to collect valuable behavioural information about this feline and provide evidence of the importance of the mineral licks for this and other wild species.
El ocelote, Leoparduspardalis, es considerado uno de los depredadores oportunistas de los bosques tropicales. Este incluye en su dieta aves, mamíferos pequeños y medianos, anfibios y reptiles. Mediante 10 cámaras trampa instaladas en 10 saladeros dentro del Parque Nacional Yasuní, se filmó y se fotografió eventos de acecho y depredación del ocelote a otras especies de fauna que emplean estos sitios. Con los datos obtenidos se determinó la frecuencia de actividad de esta especie, y se describió tres eventos: el primero en una fotografía acechando a un venado del género Mazama, otro en un video donde se ve el acecho a un anuro y el último en un video donde el ocelote captura a un murciélago en vuelo. Este método permitió obtener información valiosa sin interferir en el comportamiento habitual de este felino, además evidencia la importancia de los saladeros para esta y otras especies de fauna silvestre.
Activity patternscamera trapmineral lickocelotpredatorYasuniPatrones de actividadcámara trampasaladeroocelotedepredadorYasuníMinisterio del Ambiente, Agua y Transición Ecológica
Programa de Reparación Ambiental y SocialCitation
Macas-Pogo P, Mejía Valenzuela E, Arévalo-Serrano G (2023) Activity pattern and predatory behaviour of the ocelot (Leopardus pardalis) (Carnivora, Felidae) in mineral licks of the Yasuni National Park, Ecuador. Neotropical Biology and Conservation 18(1): 1–11. https://doi.org/10.3897/neotropical.18.e95027
Introduction
The ocelot (Leoparduspardalis Linnaeus, 1758) is a solitary and elusive medium-sized mammal of the Felidae family. Due to its elusive behaviour, very little information about is natural habits is available. The distribution range of this felid ranges from southern North America to the north of Argentina and Uruguay. Moreover, it occupies several ecosystems, such as humid tropical forests, tropical dry forests and floodable and desert areas from 0 to 3000 m a.s.l. The ocelot can reach up to 80 cm in head-and-body length and can weigh up to 10 kg. It has a robust and rounded head, convex snout, large eyes and short rounded ears, with light yellow and opaque yellow fur with black spots, the tail is hairy and relatively short, reaching 50% of the total length of this feline (Paviolo et al. 2015; Vallejo 2017).
In Ecuador, it has been recorded on both sides of the Andes (Tirira 2017) on the zoogeographic zones: Northwest Tropical, Southwest Tropical, Eastern Subtropical and Eastern Tropical (Albuja et al. 2012), in an altitudinal range from sea level to 2000 m (Albuja 2011). Due to habitat loss, poaching and conflicts with people, the ocelot is categorized as near threatened locally (Espinosa et al. 2011; Vallejo 2017) and, according to the International Union for Conservation of Nature (IUCN), this species is under the category of least concern (Paviolo et al. 2015). This neotropical feline has nocturnal habits, with some activity during the day (Dias et al. 2018). As an opportunistic predator, its diet consists of mainly small nocturnal terrestrial mammals, especially rodents (Moreno et al. 2006), but it may also contain birds, amphibians, reptiles, fish and insects (De Villa Meza et al. 2002). It has been reported that they occasionally catch medium to large mammals (De Villa Meza et al. 2002; Aliaga-Rossel et al. 2006; Sunquist and Sunquist 2009; Bianchi et al. 2010).
Although the ocelot occupies a wide variety of environments, it usually prefers sites in the forest with dense vegetation cover (Reid 2009). However, it explores open sites such as mineral licks (Blake et al. 2011), where rainwater accumulates and the soil is rich in minerals, such as calcium, magnesium, manganese, phosphorus, potassium and sodium, which are ingested (geophagy) by birds, reptiles, large and small mammals –including some species of bats and insects that are frequent at these sites and are regular ocelot prey (Moore et al. 2005; Voigt et al. 2008; Albuja and Arguero 2011; Link et al. 2011).
This study provides information on the activity patterns, stalking and predation behaviour of ocelot in mineral licks. We provide novel information that contributes to the knowledge of the trophic ecology of this feline, which is fundamental for understanding the interactions and strategies of wildlife species in the ecosystem (Jaksic and Marone 2007).
Methods
Yasuni National Park is considered one of the most biodiverse areas in the world for their biological and cultural richness (Bass et al. 2010). From January 2018 until December 2019, the camera trap study was carried out in 10 mineral licks in the northern sector of this protected area as shown in Fig. 1. The study area is located within the Eastern Tropical zoogeographic floor (Albuja et al. 2012), composed mainly of non-flooded forests of mainland, temporarily flooded or Varzea forests and swampy sectors, where the moriche palm Mauritiaflexuosa is dominant.
Location of the salt flats sampled in the northern region of the Yasuni National Park.
https://binary.pensoft.net/fig/796950
In each mineral lick, a photo-trapping station was established consisting of one camera trap (Bushnell Trophy Cam HD Aggressor). This camera was installed on the trunk of a tree, approximately 0.75 m above the ground, orientated towards where there were traces or evidence of wildlife activity. The camera traps remained active for at least 30 days, 24 hours a day and were programmed to capture three photographs. Additionally, a 15-second video was taken at 60-second intervals, each time the temperature and motion sensors detected an animal. For each station, the geographical location was recorded with a GPS (Garmin Oregon 650t model). The images obtained were entered and processed in the Wild.ID software (https://www.wildlifeinsights.org/team-network) and, based on the criteria of Tobler et al. (2009), Blake et al. (2011) and Link et al. (2012). Therefore, multiple photographs of the same individual during 60 minutes were considered to be a single record.
Using the R version 3.3.3 software and the overlap package (Ridout and Linkie 2009), independent records were obtained to establish the activity pattern of the ocelot within the mineral licks. Based on the hours of sunrise and sunset determined by the Software Sun Times v.7.1 (Kay and Du Croz 2008), the day was divided into four times: daytime (07:00–17:00 h), night (19:00–05:00 h), morning twilight (05:00–07:00 h), evening twilight (17:00–19:00 h) and the activity pattern was graphed according to the frequency of capture.
Results
With a sampling effort of 567 days/trap, 22 independent records were obtained from a total of 74 photographs and 21 videos where the ocelot appears in 5 of the 10 mineral lick studies. The peaks of activity of the ocelot turned out to be between 22:00–23:00 h and 03:00–04:00 h and it remained active mainly during the night and early morning (86.6% of records), with mild activity during the morning hours (13.6% of records). In addition, as the morning twilight approaches, its activity decreases, while during the evening twilight, the activity increases (Fig. 2).
Frequency of activity of the ocelot obtained through camera trap records.
https://binary.pensoft.net/fig/796951
In photo-trapping stations S1, S2, S5, S6, S10 (Table 1), L.pardalis were detected; however, only images and videos of S5 were useful to describe ocelot’s stalking and predation behaviour.
Data from the photo-trapping stations where the ocelot was detected.
Lick
Trap-days
Number of photos and videos
Ocelot detection
Bats detection
Type lick
S1
48
833
3
Yes
Open
S2
78
2155
2
No
Open
S5
77
5592
11
Yes
Open
S6
78
6553
4
Yes
Open with a cave
S10
55
3634
2
Yes
Open
On 25 June 2018, at 04:38 h, an image was captured where the ocelot can be seen, in the foreground, in a stalking position and, a few metres ahead in the mineral licks, a red deer (Mazamaamericana) can be seen in the background of the image. With some careful review of the sequence of the photographs and videos, no attack was recorded (Fig. 3).
Image of the ocelot stalking a red deer in the mineral lick.
https://binary.pensoft.net/fig/796952
On 7 November 2019, at 19:48 h, a video was recorded where the ocelot stealthily walks in a stalking position, to where an anuran (frog or toad) is located, but it manages to escape upon noticing the presence of the feline. The ocelot hastened its walk to try to catch it. However, the capture was unsuccessful (Fig. 4).
Image of “video 1” (Suppl. material 1) of the ocelot stalking and failing to capture an amphibian that frequents the mineral licks.
https://binary.pensoft.net/fig/796953
On 13 November 2019, at 20:37 h, an ocelot was recorded for a period of 15 seconds capturing a bat in the mid-flight; it should be noted that the video also shows the possible presence of an amphibian or reptile close to the ocelot. The recorded conditions of the capture were influenced at night with a waning gibbous moon, that is, between the full moon and the last quarter, where the luminosity begins to decrease. The feline leaning on a rock is driven towards the group of bats in flight mode, managing to catch one with his snout, then it looked for a firm space to eat it. After the capture of an individual the bat, the group dispersed immediately (Fig. 5).
Image of “video 2” (Suppl. material 2) where the ocelot is seen eating a bat after capturing it in flight.
https://binary.pensoft.net/fig/796954Discussion
Although the present study was carried out in ten mineral licks in the northern sector of the Yasuni National Park, the ocelot activity patterns were also obtained by Blake et al. (2012a), Salvador and Espinosa (2016), Blake et al. (2016) and Mosquera et al. (2016) in studies carried out in the same area. They agree that this species mainly has nocturnal habits, with higher activity peaks after sunset and before sunrise. Similar patterns of activity have been reported by other studies in the Neotropics (Ayala et al. 2010; Diaz-Pulido and Payán 2011; Pratas-Santiago et al. 2016) in open areas or on trails within the forest, even semi-arid environments (Penido et al. 2017).
The stalking and predation records reported here are associated with the ocelot’s diet, mainly based on small nocturnal terrestrial mammals, especially rodents (Moreno et al. 2006), as well as amphibians; however, there are reports that the ocelot can capture larger prey, such as subadult white-tailed deer (Odocoileusvirginianus) (De Villa Meza et al. 2002) and animals of the genus Mazama (Bianchi et al. 2010). Hence, it is likely that the ocelot will occupy these mineral licks to stalk the red and brown deer (Mazamaamericana and Mazamanemorivaga) that commonly visit these sites (Blake et al. 2011; Blake et al. 2012b).
The video report of the ocelot capturing a bat obtained in this study allows us to affirm the predation behaviour of the ocelot towards bats. These data were also evidenced by Tinoco and Camacho (2015) who managed to identify three individuals of Saccopteryxbilineata and one of Micronycterismegalotis in the stomach content of an ocelot. This was also reported by Contreras-Moreno et. al (2019) through photographic evidence of an ocelot with a bat on its snout.
Bats have not been considered an important food item compared to other prey, based on what was found in the stomach content study (Moreno et al. 2006). However, we can say that, in the Yasuni National Park, there are ocelots which occupy these sites to hunt and capture bats and other animals that use these mineral licks. In the specific case of the video recording we obtained, the ocelot jumped over the group of bats and managed to capture one, instead of opting for the amphibian or reptile that was in close proximity; preference may be due to a higher capture rate and because it can provide greater nutritious content to its diet.
In several images and videos used in this study, the ocelot could be seen resting or walking while sniffing, waiting for the best opportunity to hunt. The use of camera traps has made it possible to highlight the importance of mineral licks for this and other species of wildlife (Blake et al. 2011). It is likely that the mineral licks are where they go to ingest soil with a high concentration of minerals to compensate for the lack of necessary nutrition in the foods of their normal diet. It also helps them regulate and eliminate excess toxins from some foods and re-integrate them into the body’s mineral reserves (Gilardi et al. 1999; García 2009), as well as compensating for the exhaustion by gestation and lactation processes (Wiley and Katz 1998). For the ocelot, mineral licks can be important for stalking and hunting prey that perhaps in the forest are difficult to obtain. These sites may be providing opportunities for stalking and hunting with relatively low energy loss. Altogether, mineral licks become of great interest to study the interactions between predator and prey and other biotic interactions.
Acknowledgements
Special thanks to the Park Rangers of the Yasuni National Park, who helped in the review of the camera traps and verified their proper functioning during the fieldwork. Thanks to the Government of Ecuador through the Environmental and Social Reparation Program for allowing us to carry out this study and for providing us with the materials, equipment and logistical resources to achieve the desired objective. We thank Shantée N. Ayala Rosario and Tracy Cevallos for their support in revising the manuscript.
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Ocelot stalking and failed capture of an amphibian
Multimedia
https://binary.pensoft.net/file/796955This dataset is made available under the Open Database License (http://opendatacommons.org/licenses/odbl/1.0/). The Open Database License (ODbL) is a license agreement intended to allow users to freely share, modify, and use this Dataset while maintaining this same freedom for others, provided that the original source and author(s) are credited.Patricio Macas-Pogo, Edison Mejía Valenzuela, Gabriela Arévalo-Serrano10.3897/neotropical.18.e95027.suppl2B7418C4F-A81E-5C44-B63B-61031B91C664
Ocelot eating a bat after capturing it in flight
Multimedia
https://binary.pensoft.net/file/796956This dataset is made available under the Open Database License (http://opendatacommons.org/licenses/odbl/1.0/). The Open Database License (ODbL) is a license agreement intended to allow users to freely share, modify, and use this Dataset while maintaining this same freedom for others, provided that the original source and author(s) are credited.Patricio Macas-Pogo, Edison Mejía Valenzuela, Gabriela Arévalo-Serrano