Typically, male birds have more vivid colours than females. As Charles Darwin first explained, the most colourful males are ...

They say if you have a yellow personality type, you’re cheerful, friendly and fun to be around. I’d say the same is true of yellow flowers, wouldn’t you? You can find yellow blooms for a wide range of ...

Hidden layers of colour in the plumage of tanagers and some other songbirds explain what makes them so eye-catching ...

Another popular pet, the cockatiel, is small in stature but big on personality. They don't have the loudest voices in the bird world, but are by no means silent. They chirp and whistle rather than ...