Preliminary study on cranial measurements and sexual dimorphism in skull bones of gaur (Bos gaurus gaurus, Smith 1827)

Cranial measurements have been widely used in various studies in wildlife sciences, ranging from understanding predator ecology to wildlife forensics. However, detailed description of morphometry and sexual dimorphism of the skull of gaur Bos gaurus gaurus is lacking. The present study was undertake...

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Published in:Anatomia, histologia, embryologia histologia, embryologia, 2024-05, Vol.53 (3), p.e13031-n/a
Main Authors: Vishwakarma, Ritesh, Sharma, Chandra Prakash, Mondol, Samrat, Habib, Bilal, Bhandari, Bhaskar, Mishra, Rajiv, Gupta, Nitin, Chauhan, Jasbir Singh, Nigam, Parag
Format: Article
Language:English
Subjects:
Bandhavgarh Tiger reserve
Bos frontalis
Bos gaurus
Females
gaur
Males
Morphometry
Multivariate analysis
Predation
principal component analysis (PCA)
Principal components analysis
Sexes
Sexual dimorphism
Skull
Statistical analysis
Wildlife
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Summary:Cranial measurements have been widely used in various studies in wildlife sciences, ranging from understanding predator ecology to wildlife forensics. However, detailed description of morphometry and sexual dimorphism of the skull of gaur Bos gaurus gaurus is lacking. The present study was undertaken to determine the sexual dimorphism based on the cranial measurements of gaur. A total of 12 individual gaur skulls of male (n = 6) and female (n = 6) were studied in the field from the naturally deceased animals between January 2018 and December 2021 in different ranges of Bandhavgarh tiger reserve (BTR), Madhya Pradesh, India. The skull measurements were analysed using univariate and multivariate statistics to determine whether cranial dimensions could be used to differentiate male and female skulls reliably. A total of 43 morphometrical parameters grouped into nine indices were calculated. Select morphometrical parameters viz PL, GFL, AKI, LBB, LFB, GBEE, GBAN, BPOP and GTCH were significantly different (p 
ISSN:0340-2096
1439-0264
DOI:10.1111/ahe.13031