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Criteria for Determining Age and Sex of American Mountain Goats in the Field
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Criteria for Determining Age and Sex of American Mountain Goats in the Field

著者： Bruce L Smith
版本/格式： 文章 文章 : 英语
刊登在：Journal of Mammalogy, May, 1988, vol. 69, no. 2, p. 395-402
数据库：JSTOR
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文件类型： 文章
所有的著者/提供者： Bruce L Smith
ISSN:0022-2372
OCLC号码： 481721012
语言注释： English
注意： Fig. 1.-Frontal and lateral views of kid (above) and yearling mountain goats. Horns are shorter than the ears in kids but longer than the ears in yearlings; rostral lengths of kids average 117 mm compared to 141 mm for yearlings.
Fig. 2.-Frontal and lateral views of 2-year-old female (above) and adult female. Rostral lengths and horn lengths average 166 mm and 190 mm, respectively, for 2-year olds and 183 mm and 222 mm, respectively, for adults; the beard is more fully developed in adults.
Fig. 3.-Frontal and lateral views of 2-year-old male (above) and adult male. Rostral lengths and horn lengths average 162 mm and 201 mm, respectively, for 2-year olds and 193 mm and 232 mm, respectively, for adults; the beard is more fully developed in adults.
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