White butterflies are filling Johannesburg’s skies earlier than usual. Climate change is to blame
White butterflies are filling Johannesburg’s skies earlier than usual. Climate change is to blame: Brown-veined white butterflies migrate annually from the Kalahari region to Mozambique. Instinctively RDH/Shutterstock Each year around mid-summer, somewhere between December and mid-January, the skies of South Africa’s Gauteng province, including the city of Johannesburg, fill with small white butterflies. Some land …
