Mary McDonald / Mountain gorilla (Gorilla beringei beringei) silverback sitting among Lobelia, Kuriyama Group, Volcanoes National Park, Rwanda. Endangered.

Jack Dykinga / Bladderpods (Peritoma arborea) flowering across the desert floor following an above average winter rain season, with Creosote bushes (Larrea tridentata) and flowering Fiddlenecks (Amsinckia sp.) at su...

Jack Dykinga / Scorpionweed (Phacelia sp.) flowering on desert floor amongst Teddy bear cholla (Opuntia bigelovii) and Saguaro cacti (Carnegiea gigantea) at sunset, Sonoran Desert National Monument, Arizona, USA. Ma...

Jack Dykinga / Bladderpods (Peritoma arborea) flowering across the desert floor following an above average winter rain season with Saguaro cacti (Carnegiea gigantea) and mountains in crimson light at sunset, Barry M...

Jack Dykinga / Mexican gold poppies (Eschscholzia californica mexicana) flowering in the desert with Cholla (Cylindropuntia sp.) and Saguaro cacti (Carnegiea gigantea), Ironwood Forest National Monument, Sonoran Des...

Michael Hutchinson / Flower crab spider (Misumena vatia) with Hoverfly (Syrphidae) prey on Saxifrage (Saxifraga sp.) flower, Bristol, UK. March.

Konrad Wothe / Group of Striped shield bugs (Graphosoma lineatum) mating on Wild carrot (Daucus carota), France. August.

Konrad Wothe / Red campion (Silene dioica) seeds, microscopic view.

Adrian Davies / Water lettuce (Pistia stratiotes) with submerged roots in aquarium.

Adrian Davies / Black-eyed susan (Rudbeckia hirta) illuminated using different waveforms of light. Visible light (left), reflected UV light (centre), UV light as seen by bees (right). Studio environment, composite.

Adrian Davies / Pasque flower (Pulsatilla vulgaris), fluorescing under UV light, studio environment. See also image 01717742 which shows the same plant in visible light.

Adrian Davies / Pasque flower (Pulsatilla vulgaris), visible light, studio environment. See also image 01717743 which shows the same plant in UV light.