アメリカ自然史博物館のインスタグラム(amnh) - 10月2日 07時07分

The tiny antelope dik-dik is named for the sound of its alarm call, which is a toy-trumpet-like “zik-zik” noise. There are actually four dik-dik species, and all are diminutive, ranging from 12 to 16 inches at the shoulder and weighing in at just 7 to 16 pounds. Dik-diks pair up as monogamous couples--a system that may be an evolutionary response to minimize exposure to predators, since finding new partners would require exploring wider swaths of land. Pairs bond over marking their territories with “dunging ceremonies,” in which the female excretes first, the male samples her urine stream to gauge her fertility, then deposits his own urine and dung. The final part of the ceremony? Leaving scent marks on nearby twigs and plants. The behavior is repeated up to a dozen times around a couple’s territory.
Photo: Hen Riko #dikdik #antelope #wildlifephotography #wildlife #naturalhistory #amnh #insideamnh

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