JOSE CARDEL, Mexico, Nov 29 (Reuters) - Every year millions of birds glide the air currents between Mexico's Sierra Madre Oriental mountains and the Gulf of Mexico in a spectacle dubbed the "river ...

It's what drives him deep into the dense rainforests of the vast Sierra Madre mountain range day after day, carrying a heavy wicker bag full of fresh saplings on his shoulders. His lean figure ...

Lumholtz speculated that they had migrated south, into Mexico's Sierra Madre, and were still living there. In six and a half years in Mexico, he didn't find a single Anasazi. But he did find ...

Bear sightings in Sierra Madre have increased in recent years, and city officials say they want the California Department of Fish and Wildlife to change its approach to dealing with the wild ...

After multiple maritime clashes, the Philippines invited journalists on a mission to resupply the Sierra Madre. A reporter for The Times was given rare access. By Camille Elemia Reporting from the ...