Burrow utilization by springhares (<i>Pedetes capensis</i>) in the Eastern Cape, South Africa

Peinke, Dean M.; Brown, Chris

doi:10.1080/15627020.2005.11407307

Cited by 10 publications

(7 citation statements)

References 2 publications

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“…Nevertheless, fecal deposits could serve as a potential cue for predators (Sonerud, ), which reinforces the adaptive value of infrequent reuse of sleeping sites on consecutive nights. Infestation by ectoparasites also seems to be of little relevance to titi monkeys, as they sleep on tree branches, not inside tree cavities, groves, burrows, or roosts, which are usually important parasite reservoirs (Butler & Roper, ; Peinke & Brown, ).…”

Section: Discussionmentioning

confidence: 99%

Sleeping above the enemy: Sleeping site choice by black‐fronted titi monkeys (Callicebus nigrifrons)

Caselli

Gestich

Nagy‐Reis

2017

American J Primatol

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The costs imposed by predation may result in behavioral adaptations to reduce mortality risk, including the choice and use of sleeping sites. The threat of predation, however, is rarely the sole force shaping sleeping site choice, which is likely to reflect other factors such as foraging needs as well. Here we describe the use of sleeping sites by three groups of small Neotropical monkeys, the black-fronted titi monkeys (Callicebus nigrifrons), and evaluate the role of predation pressure and foraging optimization in their choice of sleeping sites. We monitored each group for 9-20 months at two Atlantic Forest sites in southeastern Brazil. The titi monkeys used taller and larger trees to sleep than the average trees at each study site and chose branches with high vegetation coverage and located in higher forest strata than those used during diurnal activity. Sleeping sites were randomly distributed within each group's home range, and the groups avoided using the same site on consecutive nights. The characteristics of the sleeping sites and the behavior of the titi monkeys suggest that predation avoidance, especially of scansorial carnivores, is an important factor driving sleeping site choice. We conclude that titi monkeys' strategy to avoid predation while sleeping depends on the presence of a heterogeneous forest stratum with large emergent trees and liana tangles, which offer a physical barrier against predators.

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Section: Discussionmentioning

confidence: 99%

Sleeping above the enemy: Sleeping site choice by black‐fronted titi monkeys (Callicebus nigrifrons)

Caselli

Gestich

Nagy‐Reis

2017

American J Primatol

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“…These varied from a single event to a number of consecutive trigger events at the same or different burrow entrances and suggest that springhares either return to their burrows intermittently during active periods or may regularly investigate other burrows for potential occupation. Springhares habitually change burrows and seldom remain in one burrow for more than a few nights, but they will not occupy a burrow already in use (Peinke & Brown, 2005). Termination of activity in the early morning was also generally preceded by a number of consecutive trigger events.…”

Section: Discussionmentioning

confidence: 99%

Activity patterns of springhares from the Eastern Cape Province, South Africa

Brown

Peinke

2006

Journal of Zoology

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The activity patterns of springhares Pedetes capensis (Rodentia: Pedetidae) from the Eastern Cape Province, South Africa, were investigated by counting the number of springhares active above ground at regular intervals throughout the night at different times of the year and under different weather conditions and phases of the moon. A combination of time of year, time of night and level of illumination best explained springhare activity, accounting for 43% of the variation in springhare numbers. Springhare activity generally reached its peak soon after dark, thereafter remaining fairly constant throughout most of the night and only decreasing in the 2-4-h period before sunrise. On those nights when the moon either rose or set during the night, this pattern was modified by the level of illumination. Springhares responded to moonlight by reducing above-ground activity, shifting activity to dark, moonless periods of the night, and by reducing their use of open space. Except for extremes, other weather conditions had no significant effect on springhare activity.

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“…This finding is in agreement with Aliaga-Rossel et al (2006) who reported that two out of four agoutis killed during their study were found significantly closer to their nearest refuge than to random locations within their home range. Frequent switching between multiple refuges, which has been observed in agoutis (Emsens et al 2013) as well as in other species, e.g., golden-handed tamarins, Saguinus midas (Day and Elwood 1999) or springhares, Pedetes capensis (Peinke and Brown 2005), could be an antipredator strategy to diminish refuge use predictability (Day and Elwood 1999).…”

Section: Discussionmentioning

confidence: 99%

Prey refuges as predator hotspots: ocelot (Leopardus pardalis) attraction to agouti (Dasyprocta punctata) dens

et al. 2013

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We tested the hypothesis that prey refuges attract predators, leading to elevated predator activity in the vicinity of refuges. We used camera traps to determine whether the spatial activity of a predator, the ocelot (Leopardus pardalis), was biased toward refuge locations of its principal prey, the agouti (Dasyprocta punctata). We radio-tracked agoutis at night to locate active refuges and compared the activity of ocelots between these refuges and surrounding control grid locations. We found that ocelots visited the area near agouti refuges significantly more often and for longer periods of time than control locations, and that they actively investigated the refuge entrances. Both occupied and unoccupied refuges were visited, but the duration of inspection was longer at occupied refuges. As the ocelots could probably not see the agoutis within the refuges, olfaction likely cued foraging ocelots. Two refuges were repeatedly visited by the same ocelots on different days, suggesting spatial memory. Overall, our results suggest that predators can be attracted to prey refuges or refuging prey. The benefits to prey of staying nearby a refuge would thus be counterbalanced by higher likelihoods of predator encounter. This should stimulate prey to use multiple refuges alternatingly and to not enter or exit refuges at times of high predator activity.

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Burrow utilization by springhares (Pedetes capensis) in the Eastern Cape, South Africa

Cited by 10 publications

References 2 publications

Sleeping above the enemy: Sleeping site choice by black‐fronted titi monkeys (Callicebus nigrifrons)

Sleeping above the enemy: Sleeping site choice by black‐fronted titi monkeys (Callicebus nigrifrons)

Activity patterns of springhares from the Eastern Cape Province, South Africa

Prey refuges as predator hotspots: ocelot (Leopardus pardalis) attraction to agouti (Dasyprocta punctata) dens

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