Watch: Hummingbird Changing Colour With Every Turn Leaves Internet Mesmerised

Experts have explained that hummingbirds' rainbow colours come from pancake-shaped structures in their feathers.

It seems that chameleons are not the only ones that can change their skin colour in the animal kingdom as a video going viral on the internet shows a hummingbird changing colour too. 

Shared by Viral Hog, the mesmerising clip shows the hummingbird, sitting on a man's hand, changing from dark green to black before gradually changing to bright pink. All these colour changing happens when the bird turns its head in different directions. 

Since being shared, the video has been viewed more than 23,400 times on YouTube. It has also been shared on several social media platforms.