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BiologyThe walia ibex is a grazer and a browser, feeding on bushes, herbs, lichens, shrubs, grass, and creepers (2), and is often seen stood up on its hind legs to reach the young shoots of giant heath (3). Activity is mainly crepuscular (2), and these ibex can often be seen sunning themselves on rocky ledges in the morning and evening (3). Males form relatively large bachelor groups (2), while females and their young may be seen in groups or, less frequently, singly with their kid (3). Rutting behaviour is displayed throughout the year, with a peak from March to May (2), which involves male ibex competing for herd dominance and access to females by postures, head tosses and fights (5). These displays can be quite dramatic, with opponents rearing up on their hind legs, and then lunging forwards to clash heads and horns with incredible, jarring force (5). Single offspring, or rarely twins, are born after a gestation period of 150 to 165 days, and sexual maturity is reached at one year old (2).