Robert Valentic / Heath Monitor (Varanus rosenbergi) male enacting a threat display, in mallee/heath habitat near Pinnaroo, South Australia.

Marie Lochman / Biodiversity of flora in heath / Kwongan habitat, Wheatbelt, Frank Hann National Park, November 2013

Marie Lochman / Carpet of annual everlasting daisies, Everlastings (Rhodanthe chlorocephala subsp. splendida) in flower, Midwest, Karara Rangelands, Western Australia. September 2018

Nick Upton / Cornish heath (Erica vagans) clump flowering on montane pastureland, above the Lakes of Covadonga, at 1300m, Picos de Europa, Asturias, Spain, August.

Nick Garbutt / Red-and-green macaw (Ara chloropterus) flock flying in front of clay lick. Heath River, Tambopata / Bahuaja-Sonene Reserves, Amazonia, Peru / Bolivia border.

Yva Momatiuk & John Eastcott / Heather (Calluna sp) flowering in tundra, Skaftafell National Park, Iceland

Ross Hoddinott / Marsh fritillaries (Euphydryas aurinia) resting on spotted heath orchid (Dactylorhiza maculata), Dunsdon, near Holsworthy, Devon, UK. June 2016.

Tim Fitzharris / Rhododendron (Rhododendron sp) flowers and Coast Redwood (Sequoia sempervirens) trees in fog, Redwood National Park, California

SCOTLAND: The Big Picture / Red squirrel (Sciurus vulgaris) amongst Bell heather (Erica cinerea) Cairngorms National Park, Highlands, Scotland, August.

Matthew Maran / Grass snake (Natrix natrix) flicking tongue, Hampstead Heath, London, England, UK, August.

Matthew Maran / Landscape of London at dawn with fog from Hampstead Heath, London, England, UK. November 2014.

Jeff Foott / Pacific Rhododendron (Rhododendron macrophyllum) flowering in old growth Coast Redwood (Sequoia sempervirens) forest, Redwood National Park, California