Iridescent feathers of pigeons

Rock doves, or common pigeons (Columba livia), like those shown here have iridescent green and purple feathers around their necks. Both males and females show these iridescent colours, although females tend to have less iridescence than males. Iridescence means that the colours change according to the angle of view (or angle of illumination). So as the…

Order, order! Insect diversity.

If insects could talk – English preferably! – I would like to ask them what they think is the key to their great success! In particular, I would like to ask a member of each Order of insects, to describe the main innovations and adaptations which have led to the success of their particular group.…

A courtship duet: Drosophila melanogaster

  In this blog, I have delved into the voluminous research on the common fruit fly, or vinegar fly, Drosophila melanogaster, and tried to produce a readable, hopefully entertaining, fly-level perspective, of their courtship behaviour. I am not an expert on this species, but I have immersed myself in the literature whilst researching a book…