Ann & Steve Toon / Photographer Ann Toon photographing Cape ground squirrels (Xerus inauris) Kgalagadi Transfrontier Park, South Africa, January 2016. Model released.

Milan Radisics / Aerial view of large pieces of calved ice in a meltlake beneath Hoffellsjokull, an outlet glacier of the Vatnajokull ice cap, Iceland, August 2018

Milan Radisics / Aerial view of large pieces of calved ice in a meltlake beneath Hoffellsjokull, an outlet glacier of the Vatnajokull ice cap, Iceland, August 2018

Milan Radisics / Aerial view of large pieces of calved ice in a meltlake beneath Hoffellsjokull, an outlet glacier of the Vatnajokull ice cap, Iceland, August 2018

Milan Radisics / Aerial view of Hoffellsjokull, an outlet glacier of the Vatnajokull ice cap, Iceland, August 2018

Suzi Eszterhas / African Lion (Panthera leo) young male feeding on Cape Buffalo (Syncerus caffer) prey, Sabi Sands Private Game Reserve, South Africa

Winfried Wisniewski / Cape Buffalo (Syncerus caffer) drinking at waterhole at night, KwaZulu-Natal, South Africa

Ann & Steve Toon / Cape sugarbird (Promerops cafer) among yellow Pincushion (Leucospermum cordifolium) flowers, Kirstenbosch Botanical Gardens, Cape Town, South Africa, September.

Jen Guyton / Park ranger holding a Cape pangolin / Temminck's ground pangolin (Smutsia temminckii), rescued from poachers. This picture was taken shortly before freeing the pangolin. Gorongosa National Park, Moza...

Jaymi Heimbuch / Yellow-billed Oxpecker (Buphagus africanus) picking parasites off of Cape Buffalo (Syncerus caffer), Masai Mara, Kenya

Bence Mate / African buffalo (Syncerus caffer) and Warthog (Phacochoerus africanus) at night with full moon, Mkuze, South Africa Third place in the Nature Portfolio category of the World Press Photo Awards 2017.

Bence Mate / African buffalo (Syncerus caffer) at waterhole at night, Mkuze, South Africa Third place in the Nature Portfolio category of the World Press Photo Awards 2017.