Parus caeruleus
tags: researchblogging.org, blue tits, Cyanistes caeruleus, Parus caeruleus, sexual selection, mate choice, ornithology, female coloration, reproduction, maternal quality, evolution, birds, ornithology
In many bird species, the females are brightly colored, just as the males are, but the evolutionary reasons for brightly colored females is unclear. According to one hypothesis, because males and females share the same genome, their traits are similar. However, according to another hypothesis, there may also be selective pressures on females, just as there are on males, to develop brightly…