Michael D. Kern / Kaleidoscope pattern formed from picture of Greenbottle blue tarantula (Chromatopelma cyaneopubescens) - see original image number 01482830 EMBARGOED FOR NAT GEO UNTIL the end of 2015

Michael D. Kern / Kaleidoscope pattern formed from picture of Johnstons Chameleon (Chamaeleo johnstoni) face and legs. Restricted for Editorial use until December 2015

Michael D. Kern / Two Dyeing dart frogs (Dendrobates tinctorius) against background, captive occurs in Guyana, Suriname, Brazil, and French Guiana. Available for on-line use only.

MD Kern / Palo Alto JR Museum / Black Widow (Latrodectus hesperus) spider walking silhouetted against light, captive.

Michael D. Kern / Common iguana (Iguana iguana) albino, captive, from Central and South America

Michael D. Kern / Rhinoceros iguana (Cyclura cornuta) captive, from Hispaniola, Caribbean, Vulnerable species

Michael D. Kern / South American rattlesnake (Crotalus durissus cumanensis) captive, from Venezuela and Colombia

Michael D. Kern / Sri Lankan Bamboo Pitviper (Trimeresurus trigonocephalus) captive, from Sri Lanka

Michael D. Kern / Waxy monkey tree frog (Phyllomedusa sauvagii) captive, from Central and South America

Michael D. Kern / Maroon eye / Moon frog (Leptopelis uluguruensis) captive, from East Africa

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