Pithecops fulgens , also known as Tsushima Uraboshi Shijimi , or the Tsushima Blue Quaker, is one of the rarest butterflies in Japan. But the population has plummeted in recent decades ...

Butterfly and bird populations plummeted in and around human habitats throughout Japan between fiscal 2005 and 2022, and higher temperatures were a likely cause of the declines, a study showed ...

The large butterfly, a member of the swallowtail family, has a wingspan of about 12 centimeters, and the male has black wings. It mainly inhabits southern Japan, including Okinawa Prefecture and ...