At the start of each farming season, Ademigokun Sunday grabs a sack of hoes and a cutlass and treks for 40 minutes to the wooded valleys of the Idanre hills, the massive 3,000-foot-high rocky outcrops ...

A green toad floats quietly at the water’s surface, its textured skin reflecting warm golden light. Surrounded by reeds and soft ripples, the animal appears peaceful as it stays partially submerged.