University of Bristol. "Blue color tones in fossilized prehistoric feathers." ScienceDaily. ScienceDaily, 28 June 2019. <www.sciencedaily.com / releases / 2019 / 06 / 190625233707.htm>.

Using the speed of color evolution seen in hummingbirds, researchers estimated it would take 6-10 million years for this drastic pink-gold color shift to evolve in a single species.

The head crest of Tupandactylus imperator. Photo: Cincotta et al., Nature 2022 “The big implication is that the ability to tune feather color was probably present in the common ancestor of birds ...

Most colors in nature—from the color of our skin to the green of trees—are produced by pigments. But the bright blue feathers found in many birds, such as Bluebirds and Blue Jays, are instead ...

More information: 'Characterization of melanosomes involved in the production of non-iridescent structural feather colours and their detection in the fossil record' F. Babarovic, M. Puttick, M ...