Photos and videos of eggs with black yolks that were reportedly laid by a grey goose have been doing the rounds on social media and leaving experts scratching their heads.
The intriguing photos and videos of the black eggs were posted on Sina Weibo last week by a man surnamed Zhu from Hangzhou City, in China’s Zhejiang Province. He claimed that the eggs came from a friend of his who kept many grey geese on his farm, and who had gifted him batches of normal goose eggs before. Only this time, what looked like ordinary eggs of standard size and white color turned out to be somewhat of an oddity. When cracked, the eggs revealed a clear egg-white, but a dark grey, almost black yolk, instead of the normal yellow or light orange.
