More than 60 African penguins were found dead on Boulders Beach near Cape Town, many with bee stings around their eyes, an occurrence researchers said was unprecedented.
The Southern African Foundation for the Conservation of Coastal Birds said in a statement that it suspects a bees' nest was disturbed in the area. While penguins have been stung by bees before, the foundation said it had not seen an incident on this scale.
U.S. & World
The day's top national and international news.
Katta Ludynia, research manager at the foundation, said her team initially thought a predator was behind the deaths. But postmortems revealed neither a predator nor disease were to blame, but instead found bee stings in the birds' eyes.
"And then our veterinarian actually went back to site and found dead bees on that stretch of beach," she said.
Read the full story here on NBCNews.com