Black-capped chickadees, dark-eyed juncos and cardinals congregate around a backyard feeder as birdseed falls to the grass like sprinkles. Suddenly, from the sky comes a flash of vivid green and blue, ...

Every morning in Tokyo’s Setagaya ward, flocks of parakeets would fly to an elm tree near Yoshinori Mizutani’s home. The parakeets, an uncommon sight in Japan with their bright-green feathers and ...