Jen Guyton / Rüppell's griffon vulture (Gyps rueppelli) and spotted hyenas (Crocuta crocuta) pick at an elephant (Loxodonta africana) carcass at dawn, Laikipia Plateau, Kenya. This elephant was killed by governme...

Jen Guyton / Two spotted hyenas (Crocuta crocuta) standing in front of an elephant carcass at dawn, Laikipia Plateau, Kenya. This elephant was killed by government officials after it killed a man walking home late...

Jen Guyton / A spotted hyena (Crocuta crocuta) chases a flock of white-backed vultures (Gyps africanus) away from an elephant carcass (Loxodonta africana), Laikipia Plateau, Kenya. The hyenas are tinted a reddish...

Jen Guyton / White-backed vultures (Gyps africanus) and spotted hyenas (Crocuta crocuta) pick at the drying and deflated skin of an elephant carcass (Loxodonta africana), Laikipia Plateau, Kenya. The hyenas are ti...

John Cancalosi / Eastern gray squirrel (Sciurus carolineses) on tree trunk with US Capitol building in background, Washington DC, USA. June 2017.

Eric Baccega / Naming ceremony of the 4-month panda cub at Beauval Zoo / ZooParc de Beauval on St-Aignan, France, December 4, 2017. From left to right: Rodolphe Delord, CEO of Beauval Zoo, former French prime minist...

Eric Baccega / Naming ceremony of the 4-month panda cub at Beauval Zoo / ZooParc de Beauval on St-Aignan, France, December 4, 2017. From left to right: Rodolphe Delord, CEO of Beauval Zoo, former French prime minist...

Eric Baccega / Brigitte Macron, wife of the French president, looking at panda cub Yuan Meng (Ailuropoda melanoleuca) at Naming ceremony of the 4-month-old panda cub at Beauval Zoo on December 4, 2017 in St-Aignan,...

Eric Baccega / Naming ceremony of the 4-month-old panda cub at Beauval Zoo, St-Aignan, France. December 4, 2017. From left to right: Brigitte Macron, wife of the French president, Rodolphe Delord, CEO of Beauval Zoo...

Eric Baccega / Brigitte Macron, wife of the French president, dedicating a panel at the closure of the naming ceremony of the 4-month-old panda cub Yuan Meng at Beauval Zoo. St-Aignan, France, December 4, 2017. ED...

Eric Baccega / Naming ceremony of the 4-month-old panda cub at Beauval ZooParc on December 4, 2017 in St-Aignan, France. Chinese vice-foreign minister Zhang Yesui offering to Brigitte Macron, wife of the French pres...

Eric Baccega / Jean-Baptiste Lemoyne, French Junior Minister for Foreign Affairs and Brigitte Macron, wife of the French president in front of the panel with the name of the panda cub at naming ceremony of the 4-mon...