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Okapi Conservation on X: "Okapi can hear and communicate through infrasonic calls. These calls occur at frequencies below 20Hz and are generally inaudible to humans and their main predator, leopards. #okapi #okapiconservation #
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Radio Okapi: 20 years of commitment to peace in DRC - Fondation Hirondelle - Media for Peace and Human Dignity - Hirondelle.org
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