Jussi Murtosaari / Yellow-winged darter (Sympetrum flaveolum), newly emerged male with white wing spots, Finland, July.

Jussi Murtosaari / Yellow-winged darter dragonfly (Sympetrum flaveolum) pair mating, Turku, Lounais-Finland / South-Western Finland, Finland, July.

Jussi Murtosaari / Yellow-winged Darter (Sympetrum flaveolum) female on red clover, Finland, September

Nick Upton / Female yellow-winged darter dragonfly (Sympetrum flaveolum) resting with wings held forwards on a grass stem, Port Cros Island National Park, Hyeres archipelago, France, May.

Bernard Castelein / Recently emerged Yellow winged darter drying wings (Sympetrum flaveolum) Belgium

Bernard Castelein / Yellow winged darter dragonfly resting on reed stem (right). Note damselfy to left with wings characteristically folded over body

Bernard Castelein / Yellow winged darters hanging from reed stem, Belgium, Europe

Bernard Castelein / Yellow winged darters (dragonflies) on reed stem, Belgium

Jan Vermeer / Yellow-winged Darter (Sympetrum flaveolum) dragonfly, western Europe

Jan Vermeer / Yellow-winged Darter (Sympetrum flaveolum) pair with dew on their wings, western Europe

Bernard Castelein / Yellow winged darter (Sympetrum flaveolum) covered in water droplets, Belgium

Jussi Murtosaari / Yellow-winged darter (Sympetrum flaveolum), male and female in tandem, Finland, August.

Philippe Clement / Panther chameleon (Furcifer pardalis) in tree, showing rotating eyes. Captive, native to Madagascar.

Barrie Britton / Male Panther Chameleons (Furcifer pardalis) fighting. Nosy Be, Madagascar. Photograph taken on location for BBC 'Wild Madagascar' Series, January 2010

Michael D. Kern / Panther chameleon (Furcifer pardalis) coloured blue, walking along branch, captive, from Madagascar

Michael D. Kern / Panther chameleon (Furcifer pardalis) striped red, green and brown, on branch, captive, from Madagascar

Alex Hyde / Panther Chameleon {Furcifer pardalis} close-up of skin, green colouration. Masoala Peninsula National Park, north east Madagascar.

Alex Hyde / Panther Chameleon {Furcifer pardalis} climbing along branch on beach, Masoala Peninsula National Park, north east Madagascar.

Alex Hyde / Panther Chameleon {Furcifer pardalis} walking along branch on coast, Masoala Peninsula National Park, north east Madagascar.

Alex Hyde / Panther chameleon close-up of skin {Furcifer pardalis} green colouration, Madagascar.

Nick Garbutt / Male Panther Chameleon (Furcifer pardalis) in aggresive posture, displaying at its own reflection in a mirror. Masoala National Park, north east Madagascar.

Nick Garbutt / Male Panther Chameleon (Furcifer pardalis) feeding on Preying mantis in beach side vegetation. Bay of Antongil, Masoala Peninsula National Park, north east Madagascar.

Nick Garbutt / Male Panther Chameleon (Furcifer pardalis) catching Praying mantis in beach side vegetation. Bay of Antongil, Masoala Peninsula National Park, north east Madagascar.

Nick Garbutt / Male Panther Chameleon (Furcifer pardalis) stalking prey in beach side vegetation. Bay of Antongil, Masoala Peninsula National Park, north east Madagascar. Did you know? Chameleons don't change colour...