Unlike birds whose plumage is mostly blue, the green coloring of a green bird’s feathers is primarily a combination of pigment and structure, not just a trick of the light. These birds’ emerald green, ...

Just a few kilometers away from the screaming jet engines of Juan Santamaría International Airport sits a humble, four-hectare plot of land lined with chain-link aviaries and guarded by a pack of 17 ...

In the midst of the monotonous sugarcane fields and lime orchards that dominate the landscape north of the Pacific port of Puntarenas, in the lowlands between the TilaránMountains and the Gulf of ...