People think the ''world's largest chicken'' is a man dressed up in a costume.

World's largest chicken a man in disguise?

World's largest chicken a man in disguise?

A video of the oversized bird appeared on Facebook and has left viewers flabbergasted about whether or not it is a legitimate animal.

The clip shows the bird poking its head through a small gap in a hutch.

The poultry then shows off its size as it parades around the farmland.

On Facebook user wrote: ''I could have sworn as it was first stepping out that it was a man in a chicken costume. (sic)''

The bird is said to be of the Brahmans variety, which is the largest type of chicken.