Phil Savoie / Mosquito (Culex pipiens) carrier of the West Nile Virus close-up

Juergen Freund / Carrier / Sea urchin crab (Dorippe frascone) carrying a fire urchin as a deterrent to predators. Lembeh Strait, North Sulawesi, Indonesia

Suzi Eszterhas / Mountain Lion (Puma concolor) three-month-old orphaned cub in carrier, Sonoma County Wildlife Rescue, Petaluma, California

Tom Gilks / View from the back of a Matatu mini van taxi, Kenya. February 2013.

Constantinos Petrinos / Urchin carrier crab (Dorippe frascone) carrying a big Chromodorid Nudibranch (Glossodoris hikuerensis) for camouflage and protection. Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Urchin carrier crab (Dorippe frascone) carrying a big Chromodorid Nudibranch (Glossodoris hikuerensis) for camouflage and protection. Lembeh Strait, North Sulawesi, Indonesia.

Constantinos Petrinos / Urchin carrier crab (Dorippe frascone) carrying a broken piece of hard coral for camouflage. Lembeh Strait, North Sulawesi, Indonesia.

Steve O. Taylor (GHF) / Straw-coloured fruit bats (Eidolon helvum), thought to be the natural reservoir of the Ebola virus, for sale in Brazzaville market, Republic of the Congo, 2013.

Solvin Zankl / Scientist looking at breeding cage for Yellow fever mosquito (Aedes aegypti). Bernhard Nocht Institute for Tropical Medicine (BNI). Hamburg, Germany. April 2016.

Solvin Zankl / Mosquito (Culex pipiens) pssible carrier of the West Nile Virus and Usutu-Virus. close-up, Kiel, Germany

Solvin Zankl / Mosquito (Culex pipiens) possible carrier of the West Nile Virus and Usutu-Virus. close-up, Kiel, Germany, February.

Suzi Eszterhas / Black-crowned Night Heron (Nycticorax nycticorax) three week old chicks in carrier, International Bird Rescue, Fairfield, California

Suzi Eszterhas / Snowy Egret (Egretta thula) sub-adults leaving carrier during release, The Bird Rescue Center, Santa Rosa, California

Suzi Eszterhas / Snowy Egret (Egretta thula) sub-adults leaving carrier during release, The Bird Rescue Center, Santa Rosa, California

Mark Bowler / Yellow fever mosquito (Aedes aegypti) a mosquito that can spread dengue fever, chikungunya, and yellow fever viruses, and other diseases.

Constantinos Petrinos / Urchin carrier crab (Dorippe frascone) carrying a Fire Urchin (Astropyga radiata) for camouflage and protection. Lembeh Strait, North Sulawesi, Indonesia.

MYN / Clay Bolt / Bloodsucking Conenose (Triatoma gerstaeckeri) carrier of Chagas Disease, in bayou wetlands, Jean Lafitte National Park, Louisiana, United States, May. Meetyourneighbours.net project

Ingo Arndt / Sun Carrier Shell (Stellaria solaris) from Australia, Meeresmuseum Ozeania, Riedenburg, Germany

Ingo Arndt / Sun Carrier Shell (Stellaria solaris), Meeresmuseum Ozeania, Riedenburg, Germany

Ingo Arndt / Pallid Carrier Shell (Xenophora pallidula), Meeresmuseum Ozeania, Riedenburg, Germany

Ingo Arndt / Pallid Carrier Shell (Xenophora pallidula), Meeresmuseum Ozeania, Riedenburg, Germany

Ingo Arndt / Pallid Carrier Shell (Xenophora pallidula), Meeresmuseum Ozeania, Riedenburg, Germany

Ingo Arndt / Pallid Carrier Shell (Xenophora pallidula), Meeresmuseum Ozeania, Riedenburg, Germany

Ingo Arndt / Pallid Carrier Shell (Xenophora pallidula), Meeresmuseum Ozeania, Riedenburg, Germany

Ingo Arndt / Pallid Carrier Shell (Xenophora pallidula), Meeresmuseum Ozeania, Riedenburg, Germany

Sue Flood / Russian aircraft carrier in Murmansk, Russia, July 2008

MYN / Piotr Naskrecki / Deer tick (Ixodes scapularis) carrier of Lyme disease, Concord, Massachusetts, USA, April. meetyourneighbours.net project

MYN / Piotr Naskrecki / Deer tick (Ixodes scapularis) carrier of Lyme disease, Concord, Massachusetts, USA, April. meetyourneighbours.net project

Juergen Freund / Decorator crab (Dorippe frascone) with an Upside down jellyfish (Cassiopea andromeda) on its back. The jellyfish is bigger than the crab! Palawan, Philippines.

Jurgen Freund / Carrier crab (Dorippe frascone) with an upside down jellyfish (Cassiopea andromeda) on its back. The jellyfish is bigger than the crab! Palawan, Philippines

Juergen Freund / Carrier / Sea urchin crab (Dorippe frascone) carrying a fire urchin as a deterrent to predators. Lembeh Strait, North Sulawesi, Indonesia.

Stephen Dalton / Elm bark beetle (Scolytus scolytus) carrier of Dutch Elm disease, UK

GEORGETTE DOUWMA / Carrier / Dorippid crab (Dorippe frascone) on sea bed holding Sea urchin (Astropyga radiata) on its shell, Lembeh Strait, North Sulawesi, Indonesia.

GEORGETTE DOUWMA / Carrier / Dorippid crab (Dorippe frascone) on sea bed holding Sea urchin (Astropyga radiata) on its shell, Lembeh Strait, North Sulawesi, Indonesia.

Jane Burton / Sandy lop-eared rabbit in a pet carrier

Michael Durham / Red-tailed Hawk (Buteo jamaicensis) juvenile awaits release from a kennel carrier in a pasture near Joseph, Oregon

Jane Burton / Domestic Cat {Felis catus} Two kittens in cat-carrier.

Jane Burton / Marmalade Domestic Cat {Felis catus} 'Tigger' with pet transporter / carrier and suitcases.

Jane Burton / Domestic Cat {Felis catus} Silver spotted 'Aster' in cat-carrier.

Phil Savoie / Deer ticks on coin {Ixodes dammini} adult male above female, carrier of Lyme's Disease

Pete Oxford / Decorated bone ornaments used on baby carrier. Rainforest, Bolivia

Suzi Eszterhas / Mountain Lion (Puma concolor) three-month-old orphaned cub being released into outdoor enclosure, Sonoma County Wildlife Rescue, Petaluma, California

Suzi Eszterhas / Mountain Lion (Puma concolor) rehabilitator, Danielle Mattos, examining three-month-old orphaned cub, Sonoma County Wildlife Rescue, Petaluma, California

Suzi Eszterhas / Mountain Lion (Puma concolor) rehabilitator, Danielle Mattos, with three-month-old orphaned cub, Sonoma County Wildlife Rescue, Petaluma, California

Suzi Eszterhas / Mountain Lion (Puma concolor) three-month-old orphaned cub emerging from carrier, Sonoma County Wildlife Rescue, Petaluma, California

Suzi Eszterhas / Mountain Lion (Puma concolor) three-month-old orphaned cub in carrier, Sonoma County Wildlife Rescue, Petaluma, California

Suzi Eszterhas / Mountain Lion (Puma concolor) three-month-old orphaned cub snarling in carrier, Sonoma County Wildlife Rescue, Petaluma, California

Suzi Eszterhas / Mountain Lion (Puma concolor) three-month-old orphaned cub in carrier, Sonoma County Wildlife Rescue, Petaluma, California

Suzi Eszterhas / Mule Deer (Odocoileus hemionus) one week old orphaned fawn in rescue carrier, Kindred Spirits Fawn Rescue, Loomis, California

Doug Wechsler / Brown-legged grass-carrying wasp (Isodontia auripes) nectaring on Mountain mint (Pycnanthemum sp.) flower, Pennsylvania, USA. August.

Will Watson / Remains of dead Mute swan (Cygnus olor) killed by avian flu and scavenged by Foxes, Berrington Hall Pool, Herefordshire, England, UK. December, 2022.

Will Watson / Remains of dead Canada goose (Branta canadensis) killed by avian flu and scavenged by Foxes, Berrington Hall Pool SSSI, Herefordshire, England, UK. December, 2022

Will Watson / Ten dead Mute swans (Cygnus olor) killed by avian flu floating around pool margins, Berrington Hall Pool SSSI, Herefordshire, England, UK. December, 2022.

Will Watson / Dead Mute swan (Cygnus olor), killed by avian flu, at water's edge, Berrington Hall Pool SSSI, Herefordshire, England, UK. December, 2022.

Will Watson / Dead Mute swan (Cygnus olor), killed by avian flu, at water's edge, Berrington Hall Pool SSSI, Herefordshire, England, UK. December, 2022.

Doug Wechsler / American dog tick (Dermacentor variabilis), vector for Tularemia and Rocky Mountain Spotted Fever, on wood, Montgomery County, Pennsylvania, USA. June.

Yves Lanceau / Domestic Pigeon (Black Carrier) head portrait.

Yves Lanceau / Domestic Pigeon (Black Carrier) head portrait.

Yves Lanceau / Domestic Pigeon (Black Carrier).

Yves Lanceau / Domestic Pigeon (Black Carrier) head portrait.

Yves Lanceau / Domestic Pigeon (Carrier).

Yves Lanceau / Domestic Pigeon (Carrier).

David Noton / Bulk carrier and oil rigs in Scapa Flow, Orkney Isles, Scotland. October 2020.

Nigel Cattlin / Woman sorting harvested passion fruits (Passiflora edulis) crop into a basket carrier on the farm, Thailand

Staffan Widstrand / Wild Wonders of China / Taiwan Black bear on headcovers in Taiwan's trains, and the mascot for the rail carrier. Taiwan.

Alan Williams / HMS Prince of Wales aircraft carrier moored at the Liverpool Pierhead on the River Mersey with the Three Graces building on the right, Liverpool, England, UK, March 2020.

Alan Williams / HMS Prince of Wales aircraft carrier moored at the Liverpool Pierhead on the River Mersey with the Three Graces building on the right, Liverpool, England, UK, March 2020.