Ann & Steve Toon / Malachite sunbird (Nectarinia famosa) feding at flower, Kirstenbosch National Botanical Garden, Cape Town, South Africa, September

Nick Garbutt / Malachite Butterfly (Siproeta stelenes) hanging upside down on leaf, forest near Napo River, Amazonia, Ecuador, South America.

Igor Shpilenok / Kamchatka Brown Bear (Ursus arctos beringianus) by malachite (copper mineral) outcrop. Kronotsky Zapovednik Nature Reserve, Kamchatka Peninsula, Russian Far East, Valley of the Geysers, October.

Ann & Steve Toon / Malachite kingfisher (Alcedo cristata) perched on rush, Intaka Island, Cape Town, South Africa, February

Igor Shpilenok / Kamchatka brown bear (Ursus arctos beringianus) at the Malachite Grotto, Valley of the Geysers, Kronotsky Zapovednik, Kamchatka, Far East Russia

Inaki Relanzon / Madagascar Malachite kingfisher (Alcedo vintisioides) amongst the spray Cascade sacree / The sacred waterfall, Montagne d'Ambre National Park, North Madagascar.

Inaki Relanzon / Madagascar Malachite kingfisher (Alcedo vintisioides) Cascade sacree / The sacred waterfall, Montagne d'Ambre National Park, North Madagascar.

Inaki Relanzon / Madagascar Malachite kingfisher (Alcedo vintisioides) Cascade sacree / The sacred waterfall, Montagne d'Ambre National Park, North Madagascar.

Kim Taylor / Red-tipped Flower Beetle (Malachius bipustulatus) taking off from a Brome grass head. Surrey, UK

Richard Du Toit / Malachite sunbird {Nectarinia famosa} male feeding from flowers, South Western Cape, South Africa

Tim Fitzharris / Malachite Kingfisher (Alcedo cristata) perching on reeds, Kenya

John Cancalosi / Azurite-malachite rock slab, cut and polished, white quartz with veins azurite and malachite copper minerals, occurs in copper-bearing rocks in central Siberia. Stepnoye Mine, Altay Mountains, Siberia...