When birds look blue, it is a trick of the light - their feathers are actually full of black melanin. Blue feathers are an example of structural colour - where microscopic structures affect how light ...

They gradually gain their pink hue as they moult and grow new feathers. The algae contain pigments called carotenoids, the same pigments that give tomatoes and carrots their vivid colours. Shrimps eat ...

Gouldian Finch: This small bird showcases a mix of bright colors, including green, yellow, red, and blue, making it a popular choice for bird enthusiasts. American Goldfinch: The male American ...