conservation

Planting the seeds for a bioliterate tropical country

Ecologist Daniel H. Janzen has spent virtually all of his half-century career trying to catalogue and understand the creatures in a patch of dry tropical forest in northwestern Costa Rica. Little did he realize his efforts would evolve into building a sea-to-summit conservation area — and a drive to inventory all million species in the country in partnership with the Costa Rican government.

Solving the mystery of Serengeti’s vanishing wild dogs

Twenty-five years ago, African wild dogs (Lycaon pictus) disappeared from Serengeti National Park. A firestorm of debate followed when one researcher claimed that handling by scientists was the cause. New research refutes that claim and offers another explanation.