Nick Upton / Forest caterpillar hunter (Calosoma sycophanta) feeding on a Gypsy moth caterpillar (Lymantria dispar) it has killed in a Holm oak tree, Bacu Goloritze ravine, Baunei, Sardinia, Italy, May.

Ingo Arndt / Tussock moth caterpillars mass together for defense. Comoe NP, Ivory Coast {Lymantriidae}. This behaviour tricks predators into thinking the caterpillars are a single, much larger, organism.

Konrad Wothe / Red Tussock (Chionochloa rubra), South Island, New Zealand

Tui De Roy / Southern Elephant Seal (Mirounga leonina) juveniles lounging in tussock grass, Sea Lion Island, Falkland Islands

Bernard Castelein / Purple Moor-grass (Molinia caerulea) tussock in grassland, on misty morning. Klein Schietveld, Brasschaat, Belgium. August 2019.

Bernard Castelein / Cloudy sky reflected in water, Purple moor-grass (Molinia caerulea) tussocks inundated with water. Klein Schietveld, Brasschaat, Belgium. March 2019.

Bernard Castelein / Tussocks and trees reflected in water on misty morning. Klein Schietveld, Brasschaat, Belgium. April 2018.

Bernard Castelein / Deergrass (Trichophorum cespitosum) amongst Cross-leaved heath (Erica tetralix), heathland at dawn. Groot Schietveld, Wuustwezel, Belgium. June 2015.

Nigel Cattlin / Pale tussock moth (Calliteara pudibunda) camouflaged on tree bark. Devon, England, UK. May.

Mike Potts / Southern royal albatross (Diomedea epomophora) sub-adults, group displaying in tussock grassland. Campbell Island, New Zealand. February.

Mike Potts / Southern royal albatross (Diomedea epomophora) sub-adults, group displaying in tussock grassland. Campbell Island, New Zealand. February.

Mike Potts / Southern royal albatross (Diomedea epomophora) sub-adults, group displaying in tussock grassland. Campbell Island, New Zealand. February.

Ingo Arndt / Puma (Puma concolor) camouflaged amongst vegetation tussocks. Torres del Paine, Patagonia, Chile. July.

JIM CLARE / Cushion plant sheltering in tussock grass, paramo, Canar, Andes, Ecuador.

Nigel Cattlin / Pale tussock moth (Calliteara pudibunda) caterpillar, a pest on Hops (Humulus lupulus), red colour form. England, UK.

Nigel Cattlin / Vapourer (Orgyia antiqua) moth caterpillar on Apple (Malus domestica) leaf. England, UK.

Nigel Cattlin / Vapourer moth (Orgyia antiqua) wingless female, a minor pest of Apple (Malus domestica). England, UK.

Nigel Cattlin / Pale tussock moth (Calliteara pudibunda) camouflaged against tree bark. Pest of Hops (Humulus lupulus). England, UK.

Nigel Cattlin / Pale tussock moth (Calliteara pudibunda) caterpillar, a pest on Hops (Humulus lupulus), yellow colour form. England, UK.

Nigel Cattlin / Yellow-tail moth (Euproctis similis) caterpillar on Hawthorn (Crataegus monogyna) leaf, a minor garden and nursery pest. England, UK.

Nick Upton / Gypsy moth caterpillars (Lymantria dispar) feeding on and decimating Holm oak leaves (Quercus ilex), Bacu Goloritze ravine, Baunei, Sardinia, Italy, May.

Nick Upton / Forest caterpillar hunter (Calosoma sycophanta), a ground beetle hanging upside down as it forages in a Holm oak (Quercus ilex) tree in search of Gypsy moth caterpillar (Lymantria dispar) prey, Bacu G...

Sven Zacek / Ural owl (Strix uralensis) fledgling on first day out of nest, perched in swamp forest amongst Hare's-tail cottongrass (Eriophorum vaginatum). Tartumaa, Southern Estonia. May.

Angelo Gandolfi / Freshwater pool in rock. Chapada dos Veadeiros National Park, Vale de Lua, Goias, Brazil.

Robert Thompson / Gypsy moth larvae (Lymantria dispar) on flower, Catllar, French Pyrenees, France. May

Chris Mattison / Pale tussock moth caterpillar (Calliteara pudibunda) on hop plant, Whitelye, Monmouthshire, August.

Chris Mattison / Pale tussock moth caterpillar, (Calliteara pudibunda) on hop plant, Whitelye, Monmouthshire, August.

Chris Mattison / Pale Tussock moth caterpillar (Calliteara pudibunda) on Hop plant, Whitelye, Monmouthshire, August.

Juan Carlos Munoz / Iberian ibex (Capra pyrenaica) on rocky clifftop, two headbutting one another. Maro-Cerro Gordo Cliffs Natural Area, Granada, Andalusia, Spain. January 2018.

Ashley Cooper / Kelp goose (Chloephaga hybrida) pair at Gypsy cove, near Port Stanley, Falklands slands.

Ashley Cooper / Striated caracara (Phalcoboenus australis) on Westpoint Island, Falkland Islands, South America. February.

Ashley Cooper / Tourists watching Black browed albatross (Thalassarche melanophris) and Rockhopper penguins (Eudyptes chrysocome) nesting colony on Westpoint island, Falkland Islands, South America,February 2014

Ashley Cooper / Brown skua (Stercorarius antarcticus) on the beach on Prion Island, South Georgia, Southern Ocean.

Ashley Cooper / Shipwreck of the Lady Elizabeth on the outskirts of Port Stanley, the capital of the Falkland Islands. February 2014.

Ashley Cooper / Shipwreck of the Lady Elizabeth on the outskirts of Port Stanley, the capital of the Falkland Island. February 2014.

Tony Heald / Antarctic fur seal (Arctocephalus gazella) resting on tussock grass, scratching nose. King penguin (Aptenodytes patagonicus) colony in background. Gold Habour, South Georgia. October 2017.

Tony Heald / Brown skua (Stercorarius antarcticus) resting on tussock grass. Right Whale Bay, South Georgia. September.

Tony Heald / Northern Giant Petrel (Macronectes halli) Nesting amongst Tussock Grass Ocean Harbour South Georgia Is. South Atlantic October 2017

Robert Thompson / Gypsy moth (Lymantria dispar) caterpillar on Clover (Trifolium sp) flower. Catlar, Pyrenees Orientales, south west France. May.

Steve Downer / Pale tussock moth (Calliteara pudibunda) larvae feeding on egg cases, UK, June.

Doug Wechsler / Milkweed tiger moth (Euchaetes egle) caterpillars on Common milkweed (Asclepias syriaca) Philadelphia, Pennsylvania, USA, July.

Robert Thompson / Nut tree tussock moth (Colocasia coryli) County Down, Northern Ireland.

Robert Thompson / Pale tussock moth (Caliteara pudibunda) camouflaged on branch, Saltee Islands, County Wexford, Northern Ireland.

David Kjaer / Black arches moth (Lymantria monacha) Wiltshire, England, UK, July.

Andy Sands / Lapwing (Vanellus vanellus) sheltering from rain behind grass tussock, Upper Teesdale, County Durham, England, UK, June

Jussi Murtosaari / Pale tussock moth (Calliteara pudibunda), male resting on grass, Finland, June.

Jussi Murtosaari / Pale tussock moth (Calliteara pudibunda), male resting on grass, Finland, June.

Chris Mattison / Pale tussock moth (Calliteara pudibunda) on white background Catbrook, Monmouthshire, May. Focus-stacked image.

Chris Mattison / Pale tussock moth (Calliteara pudibunda) Catbrook, Monmouthshire, Wales, UK, May. Focus-stacked image.

Chris Mattison / Pale tussock moth (Calliteara pudibunda) Catbrook, Monmouthshire, Wales, UK, May. Focus-stacked image.

Chris Mattison / Nut-tree tussock (Colocasia coryli) Monmouthshire, Wales, UK. April. Focus-stacked image.

Chris Mattison / Nut-tree tussock (Colocasia coryli) Monmouthshire, Wales, UK April. Focus-stacked image.

Tui De Roy / Northern Rockhopper Penguin (Eudyptes moseleyi) colony in tall Spartina tussock grass. Gough and Inaccessible Islands UNESCO World Heritage Site, South Atlantic.

Tui De Roy / Northern Rockhopper Penguin (Eudyptes moseleyi) colony in tall Spartina tussock grass. Gough and Inaccessible Islands UNESCO World Heritage Site, South Atlantic.

Lorraine Bennery / Common vapourer moth caterpillar (Orgyia antiqua) on ground,, Seine et Marne, France, July.

Lorraine Bennery / Pale tussock caterpillar (Dasychira pudibunda), Essonne, France, September.

Sue Daly / Brown-tail tussock moth caterpillar (Euproctis chrysorrhoea), Sark, British Channel Islands, May.

Stephen Dalton / Tussock moth larva (Orgyia antiqua) Sussex, England, UK, July.

Mike Read / Tussacbird (Cinclodes antarcticus antarcticus) landing on rock on beach, Sealion Island, Falkland Islands. December.

Frederique Olivier / Wide angle shot of a Magellanic penguin (Spheniscus magellanicus) chick amongst tussock grass, Gypsy Cove, Stanley, Falkland Islands.

Roger Powell / Common snipe (Gallinago gallinago) on tussock, Cresswell, Druridge Bay, Northumberland, UK, March.

Kim Taylor / Pale tussock moth (Calliteara pudibunda) caterpillar. Surrey, England, October.

Ingo Arndt / Tussock Grass (Parodiochloa flabellata) King Edward Point, South Georgia Island, February

Mark Taylor / High Altiplano river with tussock grass called Paja brava (Festuca orthophylla). Bolivia. December 2016.

Mark Taylor / High Altiplano river with tussock grass called Paja brava (Festuca orthophylla). Bolivia. December 2016.

Mark Taylor / High Altiplano salt lake with tussock grass called Paja brava (Festuca orthophylla). Bolivia. December 2016.

Mark Taylor / High Altiplano with tussock grass called Paja brava (Festuca orthophylla) showing clonal growth spread. Bolivia. December 2016.

Mark Taylor / High Altiplano with tussock grass called Paja brava (Festuca orthophylla) showing clonal growth spread. Bolivia. December 2016.

Mark Taylor / Rock pinnacles with Tussock grass (Festuca orthophylla)., Ciudad del Encanto, Bolivia.

Mark Taylor / High Altiplano with tussock grass called Paja brava (Festuca orthophylla). Ciudad del Encanto, Bolivia.

Mark Taylor / High Altiplano with tussock grass called Paja brava (Festuca orthophylla). Bolivia. December 2016.

Tony Wu / Caterpillar of a Tussock moth (Euproctis piperita), Hontanikawa Keikoku, Yamanashi Prefecture, Japan.

Gary K. Smith / Tussock sedge (Carex paniculata) growing in wet fenland habitat, Norfolk, UK

MYN / Dirk Funhoff / Gypsy moth (Lymantria dispar), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

MYN / Dirk Funhoff / Gypsy moth (Lymantria dispar), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

MYN / Dirk Funhoff / Gypsy moth (Lymantria dispar), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

MYN / Dirk Funhoff / Gypsy moth (Lymantria dispar), Mechtersheim, Pfalz, Germany. July. Meetyourneighbours.net project

Doug Wechsler / Gypsy moths (Lymantria dispar) females and eggs on tree trunk, Delaware Water Gap, New Jersey, USA July

Lorraine Bennery / Dark tussock moth caterpillar (Dicallomera fascelina) covered in dew, Haut-Languedoc Regional Natural Park, France, May.

Lorraine Bennery / Pale tussock moth (Calliteara pudibunda) pair mating, Haute-Savoie, France, June.

Lorraine Bennery / Pale Tussock moth (Dasychira pudibunda) caterpillar larva, Senart forest, France, September.

Chris Mattison / Pale tussock moth caterpillar (Calliteara pudibunda) Longshaw, North Derbyshire, Peak District National Park, England, UK, October.

John Abbott / Manto tussock moth (Dasychira manto) on white background, Tuscaloosa County, Alabama, USA September

John Abbott / Manto tussock moth (Dasychira manto), Tuscaloosa County, Alabama, USA September

John Abbott / Manto tussock moth (Dasychira manto) on white background, Tuscaloosa County, Alabama, USA September

David Tipling / White-chinned petrel (Procellaria aequinoctialis) flying over breeding colony in tussock covered hillside, King Haakon Bay, South Georgia, January

David Tipling / White-chinned petrel (Procellaria aequinoctialis) flying over breeding colony in tussock covered hillside, King Haakon Bay, South Georgia, January

SCOTLAND: The Big Picture / Dawn mist in Abernethy Forest with lots of spider webs in grass, Cairngorms National Park, Scotland, UK, August.

SCOTLAND: The Big Picture / Harestail Cotton grass (Eriophorum vaginatum), Scotland, UK, May 2011.

David Kjaer / Pale tussock caterpillar (Dasychira pudibunda) on tree trunk, Wiltshire, UK

David Kjaer / Pale tussock moth (Calliteara pudibunda) Wiltshire, UK

David Kjaer / Yellow-tail moth (Euproctis similis) Wiltshire, UK

Alex Hyde / Moth (Halisidota schausi) photographed on a white background in mobile field studio, Cordillera de Talamanca mountain range, Caribbean Slopes, Costa Rica

Colin Monteath/ Hedgehog House / Frosted tussock grass, Waimakariri River, Mount Cass, Canterbury, South Island, New Zealand

Colin Monteath/ Hedgehog House / Frosted tussock grass, Waimakariri River, Mount Cass, Canterbury, South Island, New Zealand

Brent Stephenson / Blackish cinclodes / Tussock bird (Cinclodes antarcticus) calling with wings spread, on rock, Carcass Island, Falkland Islands, South Atlantic, December.