About three hours into the flight, my wife was woken by a commotion at the back of the plane and noticed that our satchel-clinging companion was no longer at our side.

As a life-long wildlife specialist who has spent the last 13 years tracking and researching the 2 million wildebeest that form East Africa’s greatest wildlife spectacle, the Great Migration, Carel Verhoef is at the coalface of conservation in the region. He will be leading the 7 Summits Africa Challenge team along with top African mountaineer Sibusiso Vilane, who has summited the highest peaks on each of the 7 contine