We chose venomous snakes for this April (Earth Day) blog as they are out and about now in spring/summer, along with other poikilothermic, ectothermic tetrapods, or cold blooded creatures that love the sun. This is not an exhaustive science based field guide...

   Classification of Hong Kong Dragonflies

Dragonflies belong to the order of insects known as Odonota, which are divided into two major subgroups: the Anisoptera (dragonflies)  and the Zygoptera – (damselflies). 

It is quite easy to distinguish between t...