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BoolQ / do male and female pronghorn antelopes have horns

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do male and female pronghorn antelopes have horns
passage · full text (1,090 characters)
Each ``horn'' of the pronghorn is composed of a slender, laterally flattened blade of bone that grows from the frontal bones of the skull, forming a permanent core. As in the Giraffidae, skin covers the bony cores, but in the pronghorn, it develops into a keratinous sheath which is shed and regrown annually. Unlike the horns of the family Bovidae, the horn sheaths of the pronghorn are branched, each sheath having a forward-pointing tine (hence the name pronghorn). Males have a horn sheath about 12.5--43 cm (4.9--16.9 in) (average 25 cm (9.8 in)) long with a prong. Females have smaller horns that range from 2.5--15.2 cm (1--6 in) (average 12 centimetres (4.7 in)) and sometimes barely visible; they are straight and very rarely pronged. Males are further differentiated from females in having a small patch of black hair at the angle of the mandible. Pronghorns have a distinct, musky odor. Males mark territory with a preorbital scent gland which is on the sides of the head. They also have very large eyes with a 320° field of vision. Unlike deer, pronghorns possess a gallbladder.

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task_id
6b32305e-8a20-5aec-ba25-b4cce8a7591d
task_key
default--validation--6b32305e-8a20-5aec-ba25-b4cce8a7591d
task_revision_id
1
config / split
default / validation

Official source

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