Off Mexico's Yucatán coast, a road connects a small fishing community's slender islet to the mainland. On one side of the road sits a healthy mangrove forest teeming with wildlife. On the other side of the road: bare dirt, pocked with patchy stands of mangrove trees. In the 1990s, construction of the road to Isla Arena cut off the flow of water from underground rivers to one side of the mangrove forest, depriving these coast-hugging trees of the unique conditions they need to thrive and proving deadly for the wildlife and fish they supported. © Asis Alcocer The road leading to Isla Arena separates the mangrove forest, depriving one side of the flow of water. But look closely today, and signs of life are beginning to reappear. With support from Conservation International, flamingos have been spotted feeding in the degraded mangrove forest after a years-long absence, indicating the return of key species like fish and crustaceans.…