Stephen Dalton / Robin (Erithacus rubecula) extracting grub from earth in a flower pot, UK

Tui De Roy / Woodpecker Finch (Camarhynchus pallidus) using cactus spine to extract grub from dead wood, Santa Cruz Island, Galapagos Islands, Ecuador

Roger Powell / Great spotted cuckoo (Clamator glandarius) male offering a large grub to a female prior to copulation, Guerreiro, Castro Verde, Alentejo, Portugal, January

Roger Powell / Great spotted cuckoo (Clamator glandarius) male offering a large grub to a female prior to copulation, Guerreiro, Castro Verde, Alentejo, Portugal, January

Charlie Summers / Lilac-breasted roller (Coracias caudatus) adult feeding grub to begging chick, Tarangire National Park, Tanzania

Markus Varesvuo / Male Redstart (Phoenicurus phoenicurus) perched on branch with grub in beak, Vaala, Finland, June

Martin Willis / Grey-breasted Robin (Eopsaltria griseogularis) eating a grub, Dryandra Woodland State Forest, Western Australia, Australia

Fabrice Cahez / Eurasian Hoopoe (Upupa epops) perching with grub prey. Vosges, France, June.

Chien Lee / Marauder Ant (Pheidologeton affinis) team attacking a beetle grub with minor workers assisted by their larger sisters who cut the grub into smaller pieces, Lambir Hills National Park, Malaysia

Chien Lee / Marauder Ant (Pheidologeton affinis) team attacking a beetle grub with minor workers assisted by their larger sisters who cut the grub into smaller pieces, Lambir Hills National Park, Malaysia

Chien Lee / Marauder Ant (Pheidologeton affinis) team attacking a beetle grub with minor workers assisted by their larger sisters who cut the grub into smaller pieces, Lambir Hills National Park, Malaysia

David Tipling / Blackbird {Turdus merula} male carrying insect grub in beak, Norfolk, UK, April

Roger Powell / Common Snipe {Gallinago gallinago} teezing out a grub from an exposed reedbed, Lochan, Glen Kingie, West-Inverness, Scotland, UK

Mike Potts / Chough (Pyrrhocorax pyrrhocorax) feeding in meadow, grub of Leather Jacket in bill, South Stack, Anglesey, North Wales, UK

Mike Potts / Chough ( Pyrrhocorax pyrrhocorax) feeding in meadow, grub of Leather jacket in bill, South Stack, Anglesey, North Wales, UK

Jasper Doest / Raccoon (Procyon lotor) digging for grub, George West, Texas

Robert Valentic / Rugose Death Adder (Acanthophis rugosus) adult female watches and waits to lure prey to its grub-like tail tip, Darwin, Northern Territory, Australia

Robert Valentic / Southern death adder {Acanthophis antarcticus} adult female watches and waits to lure prey to its grub-like tail tip, Eucla, Western Australia

Robert Valentic / Rugose Death Adder (Acanthophis rugosus) adult female lures prey to its grub-like tail tip, Cape Crawford, Northern Territory, Australia

Mark Moffett / Black Oak Acorn Weevil (Curculio rectus) grub emergence, Myles Standish State Forest, Massachusetts

Nick Garbutt / Adult Scaly Ground Roller (Geobiastes squamiger) with insect grub prey, returning to feed chicks in burrow nest in bank on forest floor. Mantadia National Park, Eastern Madagascar.

Andy Sands / Wheatear (Oenanthe oenanthe) male with food, Upper Teesdale, Co Durham, England. UK

Gary K. Smith / Lapwing (Vanellus vanellus) standing in freshmarsh habitat, with grub in bill, Norfolk, UK

Tui De Roy / Woodpecker Finch (Camarhynchus pallidus) using stem as tool to extract grub, Santa Cruz Island, Galapagos Islands, Ecuador

Robert Valentic / Barkly death adder {Acanthophis hawkei} female wriggling the tip of its tail (caudal lure) to mimic a grub or worm to attract a lizard within strike range, Northern Territory, Australia

Robert Valentic / Rugose Death Adder (Acanthophis rugosus) male wriggling the tip of its tail (caudal lure) to mimic a grub or worm to attract a lizard within strike range, Darwin, Northern Territory, Australia

Jose B. Ruiz / Spotless starling {Sturnus unicolor} with grub in beak, Quintana de la Serana, Badajoz, Extremadura, Spain April

Jose B. Ruiz / Spotless starling {Sturnus unicolor} with grub in beak, Quintana de la Serana, Badajoz, Extremadura, Spain April

Nick Gordon / Silky marmoset feeding on huge grub (Callithrix humeralifer chrysoleuca) Amazonia, Brazil

IAN REDMOND / Dr Jane Goodall with her son 'Grub' and Dr Christophe Boesch, 1989

Jose B. Ruiz / Hoopoe with insect grub in beak {Upupa epops} Spain

Tom Vezo / Mountain Bluebird (Sialia currucoides) male perching on barbwire fence with prey in beak, Montana

Tui De Roy / Woodpecker Finch (Camarhynchus pallidus) feeding on grub, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Woodpecker Finch (Camarhynchus pallidus) using cactus spine to extract grub from dead tree, Santa Cruz Island, Galapagos Islands, Ecuador

Tui De Roy / Woodpecker Finch (Camarhynchus pallidus) extracting grub from dead wood, Santa Cruz Island, Galapagos Islands, Ecuador

Mark Moffett / Black Oak Acorn Weevil (Curculio rectus) grub emerging from acorn, Myles Standish State Forest, Massachusetts

Mark Moffett / Black Oak Acorn Weevil (Curculio rectus) grub emerging from acorn, Myles Standish State Forest, Massachusetts

Mark Moffett / Red Palm Weevil (Rhynchophorus ferrugineus) larvae roasted eaten by Kutapae boy, Hala, Papua New Guinea

Mark Moffett / Red Palm Weevil (Rhynchophorus ferrugineus) larvae in leaf cooked by Kutapae family, Hala, Papua New Guinea

Mark Moffett / Red Palm Weevil (Rhynchophorus ferrugineus) larvae cooked by Kutapae family, Hala, Papua New Guinea

Peter Nearhos / John Downer Pr / Australian Death adder lures its prey by waving the tip of its tail like a writhing grub (Resolution restriction - image digitised from film, 'Weird Nature' tv series)