This stunning photograph of a murdered silverback gorilla proves that, when it comes to grieving, there's no difference between us and the animals we live beside.
Photojournalist Brent Stirton captured the heartbreaking image in 2007 while he was in the Democratic Republic of the Congo to capture the violence between rangers who were trying to protect gorillas in Virunga National Park and the rebels and militias who were struggling for power.
The rangers were the only thing protecting the gorillas from the threats that were closing in around them, including the constant danger of poachers.
"We thought [the rangers] were pretty remarkable, so we wanted to cover them," Stirton told The Dodo.
"I was there for about three days ... living inside the gorilla sector," he said, when "we got a message saying a gorilla had been killed."