Japanese orchids reproduce by self-fertilization with flowers that never open, challenging evolutionary theories.

Plants that reproduce exclusively by self-pollination arise from populations with extremely low diversity to begin with. Kobe ...

Japan's Ryukyu Islands, which includes Okinawa, are the exclusive home to two rare mammals, the Amami rabbit and Ryukyu long-furred rat. These animals are hard to observe, but conservationists ...

The dugong, an endangered marine animal species designated as a natural monument by the government of Japan, almost certainly inhabit broad areas of the Ryukyu Island chain in Okinawa Prefecture ...