Green marsh hawks mating

Many people will be familiar with the sight of dragonflies (and damselflies) ‘in tandem’, without knowing exactly what is going on! I came across a pair of mating green marsh hawks in northern Thailand (Huai Hong Khrai Royal Development Study Centre) and managed to get a few shots of them hanging on to a grass…

Something blue – butterfly wings

There are plenty of blue organisms in the world, but blue is nevertheless the rarest pigment found in nature. Most blue colours are produced by physical effects and are called structural colours. There are no true blue pigment in plants and thus no true blue flowers! There are blue flowers of course, but they produce this colour using modified red…

The eyes have it! Butterfly eyes and pseudopupils

When taking pictures of butterflies, especially when using a flash-gun or pop-up flash, a regular pattern of dark spots often appears in the compound eye. The dark spot near the centre of the eye, as well as the less well-defined (‘accessory’) spots scattered around about it, are called pseudopupils. The largest and darkest spot – the principal…