Tamaraw Bubalus mindorensis Heude, 1888

Cebrian, Merben R.; Boyles, Rodel M.; Leon, Josefina L. de; Burton, James

doi:10.1017/cbo9781139568098.020

Cited by 2 publications

(2 citation statements)

References 14 publications

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“…B. depressicornis was known having body mass ranged from 90 to 225 kg (Mistari 1996). While B. mindorensis weighted from 180 to 300 kg (Cebrian et al 2014). Based on the estimation, the D. santeng weight average equals to 60.3 kg is much more realistic.…”

Section: Discussionmentioning

confidence: 94%

Using Astragalus to Model Body Mass, Habitat Preference, and Population Density of Prehistoric Bovid <em>Duboisia santeng</em> (Dubois, 1891) in Eastern Java island in The Early Pleistocene

Wibowo¹

2020

Preprint

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Astragalus bone is one of the most important fossil records as it can reconstruct the prehistoric life. Respectively, this study aims to model the body mass, habitat preference, and population density of prehistoric bovid Duboisia santeng (Dubois 1891) in eastern Java island in the early Pleistocene. The astragali from 9 specimens were used to estimate the body mass and population density. Likewise regression models are used to analyze the relationship between astragalus lateral length, width, and body mass compared to the astragalus of extant Bovid species. The result revealed the body mass average was 60.3 kg (95%CI: 58.9-61.7) and this indicates the D. santeng belongs to large herbivores. While the population density was estimated at about 5.39 individuals per km2 (95% CI: 3.18-7.6).

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Section: Discussionmentioning

confidence: 94%

Using Astragalus to Model Body Mass, Habitat Preference, and Population Density of Prehistoric Bovid <em>Duboisia santeng</em> (Dubois, 1891) in Eastern Java island in The Early Pleistocene

Wibowo¹

2020

Preprint

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“…It has a tropical monsoon climate, with dry (December–May) and wet (June–November) seasons. The tamaraw conservation area in the Park is c. 160 km 2 and comprises hilly terrain at altitudes of 300–1,000 m. High-altitude areas are dominated by perennial grasses such as cogon Imperata cylindrica , talahib Saccharum spontaneum and themeda Themeda triandra , whereas low-altitude areas are characterized by grassland, with patches of secondary forest and bamboo; the vegetation along rivers is sufficiently dense to provide cover for tamaraw (Maala, 2001; Cebrian et al, 2014). The Philippine deer Rusa marianna and Oliver's warty pig Sus oliveri have also been observed in the area but no tamaraw predators have been reported.…”

Section: Study Areamentioning

confidence: 99%

Long-term community-based monitoring of tamaraw Bubalus mindorensis on Mindoro Island, Philippines

Ishihara

Boyles²,

Matsubayashi

et al. 2014

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The Critically Endangered tamaraw Bubalus mindorensis is endemic to Mindoro Island, Philippines, and little is known of its ecology. During 2006-2011 we used community-based monitoring to examine the population status and ecology of tamaraw in the species' core habitat of Mount Iglit-Baco National Park. Each year, for 5 consecutive days at the end of the dry season, trained local volunteers and rangers or project staff were allocated to 18 vantage points in the study area (c. 160 km 2 ). Tamaraw were categorized as adult (. 5 years), juvenile (2-5 years) or calf (, 2 years), and sexed when possible. During the study period the population was 239-314 (mean 271), with no significant fluctuations in age structure (percentage of adults, juveniles and calves: 57.8, 21.0 and 21.3%) or estimated adult female reproductive rates (29.1%). In adults, but not in juveniles, the sex ratio was biased towards females (1 : 1.86, P , 0.01). Bulls were often solitary (32.2% of sightings), whereas the majority of cows (94.7%) formed small groups of 2-12 individuals of different ages, with or without bulls (53.4 and 46.6%, respectively). These results demonstrate that the population remained relatively stable, maintaining a constant age structure and reproductive rate, and that long-term community-based monitoring was effective for quantitative characterization of the tamaraw's social behaviour, which is critical for conservation and management of the species.

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Tamaraw Bubalus mindorensis Heude, 1888

Cited by 2 publications

References 14 publications

Using Astragalus to Model Body Mass, Habitat Preference, and Population Density of Prehistoric Bovid <em>Duboisia santeng</em> (Dubois, 1891) in Eastern Java island in The Early Pleistocene

Using Astragalus to Model Body Mass, Habitat Preference, and Population Density of Prehistoric Bovid <em>Duboisia santeng</em> (Dubois, 1891) in Eastern Java island in The Early Pleistocene

Long-term community-based monitoring of tamaraw Bubalus mindorensis on Mindoro Island, Philippines

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