The death of the 71-year-old vet from Cape Town comes days after another fatal encounter with an elephant in Zimbabwe.
Sunyei was hand-raised by head keeper Benjamin. She returned from the wild to visit him eight years later to introduce her calf who was just a few hours old.
The man in Gabon managed to crawl to safety after suffering injuries as locals sound alarm over increase in elephant attacks.
The animal charged at a group of local residents when they confronted it in a forest located outside of their town.
The 15 elephants originally came from the nature reserve in the southwest region of Yunnan, but it's unclear why they began wandering through farmland, villages and even on paved roads in urban areas.
A video has emerged of an elephant skillfully playing cricket with a group of men, and it has divided opinion on Twitter.
One Twitter user suggested raising the elephant as their child and starting a wildly successful Instagram account.
The wild animal had strayed from the nearby Tsavo East National Park when it attacked the man in Makueni, Kenya, on Wednesday.
"It has been established that the area in which the group of tourists were camping is not a designated camping site," Namibia's Ministry of Environment and Tourism said in a statement alongside news of the death.
The homemade explosives have become the leading cause of death for elephants in Sri Lanka, where hundreds of the endangered animals are killed each year.
The guard's wife said she "never thought one of those animals would take his life" though her husband had described encounters with dangerous animals while working.
No visitors were at risk during the creature's escape, the zoo said.
Botswana, where trophy hunting is banned, currently has the largest elephant population on the continent.
Ancient DNA adds new elephant species to the mix.
Two people are killed by elephants on average each year in the area around the national park located in Thailand.
Melania Trump's son-in-law Donald Trump Jr. has previously been criticized for hunting and killing elephants.
Ganesha is one of Hinduism's most beloved deities and the story of his birthday reveals the reason for his unique appearance and demeanour.
Police called Kenia's visit "short and peaceful."
If the Arctic permafrost melts, greenhouse gasses equivalent to burning all of the world's forests two-and-a-half times over could be released.