Positional behaviour and tail use by the bare-tailed woolly opossum Caluromys philander (Didelphimorphia, Didelphidae)

Dalloz, Matheus Fernandes; Loretto, Diogo; Papi, Bernardo; Cobra, Priscilla; Vieira, Marcus Vinícius

doi:10.1016/j.mambio.2012.03.001

Cited by 25 publications

(23 citation statements)

References 37 publications

(45 reference statements)

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“…The tail is important for safety while foraging or feeding on slender branches, and to cross discontinuities in the canopy, hence to explore the finebranch niche (Lemelin 1999, Delciellos & Vieira 2009b. Accordingly, C. philander uses its tail for grasping during locomotor manoeuvres such as bridging and leaping (Youlatos 2008) and hindlimb suspension (Lemelin & Schmitt 2007), but keep the tail curly and close to the branch in slow arboreal locomotion (Dalloz et al 2012, Rupert et al 2014. Also, C. philander, as other didelphids species, is capable of jumping to effectively cross discontinuities between supports without use the tail to grasp the support as a fifth member (Delciellos & Vieira 2009b).…”

Section: Discussionmentioning

confidence: 99%

“…There is a direct relationship between body mass and the use of arboreal strata (CharlesDominique et al 1981), and differences in body size alone limit the climbing behaviour and performance of didelphids (Vieira 1997, Delciellos & Vieira 2006, 2009a, 2009b. However, Caluromys philander uses preferentially the canopy in spite of being more than twice the body size of Marmosops incanus, also arboreal but restricted to the understory (Julien-Laferrière 1991, Cunha & Vieira 2002, Loretto & Vieira 2008, Dalloz et al 2012.…”

Section: Introductionmentioning

confidence: 99%

“…The repertory of postural behaviours of C. philander is complex, and was already studied in the field (Dalloz et al 2012) and in laboratory (Cartmill et al 2002, Youlatos 2008, 2010, Delciellos & Vieira 2009b. Similarly to many primate species, C. philander exhibits a diagonal-sequence gait (Cartmill et al 2002, Youlatos 2008, Dalloz et al 2012. In contrast, terrestrial didelphid marsupials of the genera Didelphis and Monodelphis use a symmetrical lateral sequence in horizontal locomotion on the ground, on trunks and branches (McManus 1970, Pridmore 1992.…”

Section: Introductionmentioning

confidence: 99%

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Postural Climbing Behaviour of Didelphid Marsupials: Parallels With Primates

2016

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Differences in body size and in the use of arboreal strata limit the climbing behaviour and performance of didelphids. Similarly to primates, the arboreal canopy dweller, Caluromys philander exhibits a diagonal-sequence gait. In contrast, terrestrial didelphids use a symmetrical lateral sequence in horizontal locomotion. Postural behaviour along thin supports may allow understanding the mechanisms behind the higher performance of arboreal didelphids climbing. Here in, we describe and compare gait sequence and postural behaviour of seven didelphids climbing a slender and flexible vertical support. Animals were stimulated to climb a vertical support of 1.25 cm diameter. Postural behaviour was qualitatively described for each species in the cycle of maximum velocity by a frame-by-frame analysis of gait cycles, evaluating (1) movements of the tail, (2) posture of hand and wrist when grasping, (3) distance of the body to the support, (4) lateral swinging of the body, (5) orientation of the head, (6) limb posture, and (7) stride cycle. Only arboreal species were capable of climbing with only two limbs grasping the support, keeping a straight body orientation at some distance from the support, and sustaining a more constant and regular climbing velocity. The tail played a role in didelphids with better climbing performance (i.e., higher relative velocity), counteracting the lateral swinging of the body, helping with the animal balance. However, the prehensile ability of the tail was not used in climbing. The most stunning result is that all didelphids grasped the rope between digits 2-3, a schizaxonic grasp, involving a neutral hand orientation regarding the ulna. The didelphids protracted the humerus at forelimb touchdown, and the angle between the arm and the horizontal body axis was greater than 90°. The same postures were already observed in horizontal locomotion of C. philander, Monodelphis domestica, and primates. Locomotory and postural adaptations for an arboreal lifestyle in didelphids seem to be limited to small to medium body sizes, up to the size of species of Caluromys. The arboreal locomotion of didelphids is an important key to understand adaptation and evolution of mammals to an arboreal niche, and the comparison with small primates may help to identify adaptive convergence to arboreal locomotion.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Postural Climbing Behaviour of Didelphid Marsupials: Parallels With Primates

2016

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“…For example, Davies et al. () used CTs to investigate responses of African herbivores to changes in predation risk resulting from recently reintroduced lions. Cameras are also well suited to monitoring animal responses to conflict mitigation measures and have been used to demonstrate the efficacy of bees as a deterrant of crop‐raiding elephants (Ngama et al.…”

Section: Emerging Directions In Camera‐based Conservation Behaviourmentioning

confidence: 99%

A review of camera trapping for conservation behaviour research

Caravaggi

Banks

Burton

et al. 2017

Remote Sens Ecol Conserv

229

166

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An understanding of animal behaviour is important if conservation initiatives are to be effective. However, quantifying the behaviour of wild animals presents significant challenges. Remote-sensing camera traps are becoming increasingly popular survey instruments that have been used to non-invasively study a variety of animal behaviours, yielding key insights into behavioural repertoires. They are well suited to ethological studies and provide considerable opportunities for generating conservation-relevant behavioural data if novel and robust methodological and analytical solutions can be developed. This paper reviews the current state of camera-trap-based ethological studies, describes new and emerging directions in camera-based conservation behaviour, and highlights a number of limitations and considerations of particular relevance for camerabased studies. Three promising areas of study are discussed: (1) documenting anthropogenic impacts on behaviour; (2) incorporating behavioural responses into management planning and (3) using behavioural indicators such as giving up densities and daily activity patterns. We emphasize the importance of reporting methodological details, utilizing emerging camera trap metadata standards and central data repositories for facilitating reproducibility, comparison and synthesis across studies. Behavioural studies using camera traps are in their infancy; the full potential of the technology is as yet unrealized. Researchers are encouraged to embrace conservation-driven hypotheses in order to meet future challenges and improve the efficacy of conservation and management processes.

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“…The relationship between EBF and GI infections needs to be con- (Feltner et al, 2018). Additionally, evaluating the impact of increasing awareness of insurance coverage for breast pumps or lactation consultant services during the transition from hospital to home or from home to work is warranted.…”

Section: Impli C Ati On S For Re S E Archmentioning

confidence: 99%

Feeding modes, duration, and diarrhea in infancy: Continued evidence of the protective effects of breastfeeding

Diallo

McGlothen-Bell

Lucas

et al. 2019

Public Health Nursing

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Objectives To evaluate the effect of early breastfeeding cessation on incidence of diarrhea in a cohort of U.S. infants. Design, Sample, and Measurements A secondary data analysis was conducted using data from 2,340 mother–infant dyads participating in the Infant Feeding Practices Study II. We examined associations between duration of feeding type (e.g., exclusive breastfeeding [EBF], any breastfeeding [BF], formula feeding) and incidence of diarrhea before one year. Results The sample included mother–infant dyads that were 86.2% White, 3% Black, and 5% Hispanic. Interruption of EBF before 3 months was significantly associated with higher odds of having diarrhea at 6 months (OR = 1.80, p value ≤ 0.01) and between 6 and 12 months (OR = 1.45, p ≤ .01). Breastfeeding interruption before 6 months was associated with higher odds of having diarrhea at 6 months (OR = 3.19, p ≤ .01). Formula feeding for ≥3 months was associated with higher odds of diarrhea between 6 and 12 months. Conclusions Exclusive breastfeeding for 3 months accompanied by any breastfeeding for 6 months provided the most protective effect against diarrhea. Public health interventions should address disparities in breastfeeding practices and provide support across clinical, workplace and community settings. Research should include more diverse population groups.

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Positional behaviour and tail use by the bare-tailed woolly opossum Caluromys philander (Didelphimorphia, Didelphidae)

Cited by 25 publications

References 37 publications

Postural Climbing Behaviour of Didelphid Marsupials: Parallels With Primates

Postural Climbing Behaviour of Didelphid Marsupials: Parallels With Primates

A review of camera trapping for conservation behaviour research

Feeding modes, duration, and diarrhea in infancy: Continued evidence of the protective effects of breastfeeding

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