Tim Laman / Head portrait of Borneo Pygmy elephant (Elephaa maximus borneensis) feeding on forest vegetation. Borneo

Hanne & Jens Eriksen / Plain tiger butterfly (Danaus chrysippus) September, Oman

Jen Guyton / African monarch butterfly (Danaus chrysippus) sipping nectar from a Devil's thorn flower (Tribulus zeyheri) in the Kalahari Desert, South Africa.

Thomas Marent / Plain Tiger (Danaus chrysippus) butterfly, Jozani National Park, Zanzibar, Tanzania

Christophe Courteau / African monarch / Plain tiger butterfly (Danaus chrysippus) resting on plant, Kalahari Desert, Botswana.

Vivek Menon / Plain tiger butterfly (Danaus chrysippus) mating pair, New Delhi, India

Hanne & Jens Eriksen / Plain tiger {Danaus chrysippus} butterfly on Sodom's Apple blossom {Calotropis procera}, Dhofar, Oman

Hanne & Jens Eriksen / Two Plain tiger butterflies {Danaus chrysippus} on {Phagnalon viridifolium} flowers, Musandam, Oman

Hanne & Jens Eriksen / Plain tiger {Danaus chrysippus} butterfly on Sodom's Apple blossom {Calotropis procera}, Dhofar, Oman

Vincent Grafhorst / Plain Tiger (Danaus chrysippus) butterfly, Bekopaka, western Madagascar

John Waters / African Monarch / Plain tiger butterfly {Danaus chrysippus} two adults resting on grass stem at sunrise, waiting for sun's warmth to provide warmth for flight, edge of Kalahari Desert, Northern Cape,...

Richard Du Toit / Plain tiger butterfly / African monarch {Danaus chrysippus} on milkweed flowers, Phinda RR, S Africa

Paul Harcourt Davies / Plain tiger butterfly (Danaus chrysippus) resting on grass stem at dawn, near Lago di Lesina, Gargano, Puglia, Italy. September.

Paul Harcourt Davies / Plain tiger butterfly (Danaus chrysippus) resting on seedhead at dusk, Lago di Lesina, Gargano, Puglia, Italy. September.