For almost 50 years, the highly threatened West African giraffe has been absent from Niger's Gadabedji Biosphere Reserve.Illegal hunting, climate change and habitat loss have all contributed to the population's decline.An ambitious conservation initiative has now re-introduced eight giraffes into the reserve, in the first conservation effort of its kind for the West African subspecies. Under the initiative, spearheaded by the Nigerien authorities, the eight giraffes were captured in the country's Giraffe Zone, a government-defined region approximately 60km (37 miles) south-east of the capital, Niamey.Until this move, the world's last West African giraffes had only been found in and near...