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Female tannin avoidance: a possible explanation for habitat and dietary segregation of giraffes (Giraffa camelopardalis peralta) in Niger

Niger is host to the last free‐roaming herd of G.c. peralta (Giraffa camelopardalis peralta). We examined the foraging preferences of these giraffe in their dry‐season habitats, with the goal of preserving the herd in the regions that they currently inhabit. The current dry‐season habitat comprises two distinct vegetation zones. In both of these zones the giraffe must exist alongside the people of this region. The giraffes exhibit a sexual segregation in their dry‐season habitat selection and forage choices. The females

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Condensed tannin as anti-defoliate agent against browsing by giraffe (Girafla camelopardalis) in the Kruger National Park

The feeding behaviour of giraffes in the Kruger National Park, South Africa, was observed over 12 months and the diet analysed for condensed tannin content. Supportive evidence was found for plant defence against excessive browsing by means of tannin biosynthesis. Condensed tannin negatively influenced acceptability and nutritional value of dietary browse to giraffes. The giraffes avoided high condensed tannin levels. Tannin content of dietary foliage increased due to browse disturbance. Tannin levels fluctuated daily within the canopy of individual plants

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