Mark Carwardine / A cloud of Straw-coloured fruit bats (Eidolon helvum) with an immature African fish eagle (Haliaeetus vocifer) flying amongst them, Kasanka National Park, Zambia, Africa

Mark Carwardine / Straw-coloured fruit bat (Eidolon helvum) flying at night, Kasanka National Park, Zambia, Africa

Mark Carwardine / A cloud of Straw-coloured fruit bats (Eidolon helvum) flying around daytime roost with others still hanging from branches, Kasanka National Park, Zambia, Africa

Mark Carwardine / Straw-coloured fruit bats (Eidolon helvum) flying over daytime roost Kasanka National Park, Zambia, Africa

Mark Hamblin / 2020VISION / Barley straw bales in field after harvest, Inverness-shire, Scotland, UK, October

Mark Hamblin / 2020VISION / Bales of Barley straw on arable farmland, Scotland, UK

Mark Hamblin / 2020VISION / Baling machine ejecting a bale of Barley straw on arable farmland, Scotland, UK, September

Petra Wegner / Chihuahuas, longhaired, two puppies, 9 weeks, sitting in a straw basket

LYNN M. STONE / Mixed-breed piglet in straw, Maple Park, Illinois, USA

LYNN M. STONE / Sleeping mixed-breed piglet in straw, Maple Park, Illinois, USA

Ernie Janes / Large crop of Carrots growing in field with stack of round straw bales, Norfolk, UK, November

Fabrice Cahez / Red Fox (Vulpes vulpes) resting on straw bale in field. Vosges, France, July.