Mark Carwardine / Hector's dolphin (Cephalorhynchus hectori) three at sea surface, Akaroa, Bank's Peninsula, South Island, New Zealand, June, endangered species

Rod Williams / Hoverfly (Eupeodes luniger) female, Sutcliffe Park Nature Reserve, Eltham, London, England, UK. September.

Rod Williams / Hoverfly (Eupeodes luniger) grooming its face, Beverley Court Gardens, Lewisham, London, England, UK April.

Nick Upton / Hoverfly (Eupeodes sp.) feeding on a flowering Cabbage tree / Torquay palm (Cordyline australis) in a garden planted with flowers to attract pollinators, Dungeness, Kent, UK.

Nick Upton / Hoverfly (Eupeodes luniger) feeding on a flowering Cabbage tree / Torquay palm (Cordyline australis) in a garden planted with flowers to attract pollinators, Dungeness, Kent, UK.

Rod Williams / Hoverfly (Eupeodes luniger) feeding on Ragwort (Senecio jacobaea) Brockley Cemetery, Lewisham, London, UK. August.

Alex Hyde / Hoverfly (Eupeodes sp.) feeding on Alpine Aster (Aster alpinus), Nordtirol, Austrian Alps. July.

Will Watson / Docklow hoverfly (Eupeodes corellae) on leaf, England, UK, July.

Rod Williams / Female Hoverfly (Eupeodes luniger) on leaf, Brockley, Lewisham, London, England, April.

Rod Williams / Female Hoverfly (Eupeodes luniger) Feeding on cow parsley, Brockley cemetery, Lewisham, London, England, UK. May

Rod Williams / Hoverfly (Eupeodes corollae) on buttercup flower, Lewisham, London, UK, June.

Rod Williams / Hoverfly (Eupeodes luniger) female, Washing its face Lewisham, London, July

Rod Williams / Hoverfly (Eupeodes luniger) feeding on Green Alkanet (Pentaglottis sempervirens) Lewisham, London, May