Unlike birds whose plumage is mostly blue, the green coloring of a green bird’s feathers is the result of pigment, not a trick of the light. These birds’ emerald green, lime green, chartreuse, or ...

Four species of parrots endemic to Caribbean islands in the Lesser Antilles — St. Vincent, St. Lucia and Dominica — are clinging to existence amid a volley of hurricanes and volcanic eruptions that ...