Green violetear – This species of hummingbird may look like it’s flaunting its sharp sense of hearing, but its colourful ‘ears’ are just feathers, and don’t seem to serve a purpose.

Green violetear – This species of hummingbird may look like it’s flaunting its sharp sense of hearing, but its colourful ‘ears’ are just feathers, and don’t seem to serve a purpose.