How do you follow a bird through its entire migration? Last month, National Geographic Explorer Charles Mpofu headed to the Okavango Delta to track wattled cranes—an “indicator species” whose behavior alludes to a healthy ecosystem—but research in the wild doesn’t always go to plan… | Through a five-year partnership, together debeersofficial and National Geographic are helping protect the source waters of the Okavango Delta, which are a lifeline for endangered species and more than a million people. #OkavangoEternal