On July 22, the International Union for the Conservation of Nature (IUCN) added the migratory monarch butterfly to its “Red List” of threatened species and classified it as endangered. Monarchs have ...
Of the 59 native species monitored, 33 have declined, 25 have improved and one mountain species has too little data to assess ...
A genetic “cheat sheet” allows different species to display the same warning patterns.
It comes after recent figures reveal more than half of the UK's butterfly species are in decline.