Florian Möllers / A Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, playing in the snow. Germany

Doug Gimesy / Drone, operated bya member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) hovers near a koala (Phascolarctos cinereus). This drone is being use...

Doug Gimesy / Member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) looking at a screen which is displaying an image sent via a drone of a koala (Phascolarct...

Doug Gimesy / Drone, operated by a member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) hovers near a koala (Phascolarctos cinereus). This drone is being us...

Doug Gimesy / Drone, operated by a member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) hovers near a koala (Phascolarctos cinereus). This drone is being us...

Doug Gimesy / Member of the Victorian Police Remote Piloted Aircraft Systems (Police Air Wing, Specialist Response Division) looking at a screen which is displaying an infra red image, sent via a drone, of a Koala...

Jiri Lochman / Indian police and undercover antipoaching agent Anne Wright with a haul of Tiger and Leopard skins confiscated from poachers in Central India. Kolkata India. 1989.

Jiri Lochman / Indian policeman with a haul of Tiger, Leopard and Deer skins and bones confiscated from poachers near Kanha National Park, Central India. 1989.

Jiri Lochman / Indian police with a haul of Tiger, Leopard and Deer skins and bones confiscated from pouchers near Kanha National Park, Central India. 1989.

Luke Massey / Policeman removing an illegal net for catching songbirds, Cyprus. October.

Kristel Richard / The Royal Canadian Mounted Police force parading, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / The Royal Canadian Mounted Police force parades, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada.September 2016.

Kristel Richard / Mounted police officers parade, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / The Royal Canadian Mounted Police force charges, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / The Royal Canadian Mounted Police force charges, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / Mounted police officers parade, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / Delaware mounted police officer on his Clydesdale horse competing in dressage, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada....

Kristel Richard / The Toronto Mounted Police force charging, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / The Royal Canadian Mounted Police force parades, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / The Royal Canadian Mounted Police force parades, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / The Royal Canadian Mounted Police force parades, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / Portrait of a mounted police officer and his warmblood horse, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada.

Kristel Richard / The Royal Canadian Mounted Police force parades, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / The Royal Canadian Mounted Police force parades, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / Delaware mounted police officer on his Clydesdale horse standing, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 201...

Kristel Richard / Portrait of a Massachusetts mounted police officer on his warmblood horse, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. Sept...

Kristel Richard / Portraits of Hamilton mounted police officers on their warmblood horses, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. Septem...

Kristel Richard / Portraits of Hamilton mounted police officers on their warmblood horses, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. Septem...

Kristel Richard / The Royal Canadian Mounted Police force charges, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada. September 2016.

Kristel Richard / The Royal Canadian Mounted Police force parades, during the National American Police Equestrian Competition (NAPEC), at Kingston Penitentiary, Kingston, Ontario, Canada.

David Woodfall / Army and police in flooded street after February 2014 flooding, helping to provide support for the residents and supplying sand bags, Chertsey, Surrey, England, UK, 16th February 2014.

David Woodfall / Police van driving through February 2014 floods. Chertsey, Surrey, England, UK, 16th February 2014.

Pat Tuson / Metropolitan police officers wearing yellow reflective jackets on bicycles, Climate Change March, London England UK, December 2008.

David Woodfall / Army and police in flooded street after February 2014 flooding, helping to provide support for the residents and supplying sand bags, Chertsey, Surrey, England, UK, 16th February 2014.

Adrian Davies / Anti-fracking protest, policemen guarding entrance to test drilling sight, Balcombe, West Sussex, England. 19th August 2013.

Adrian Davies / Anti-fracking protest, policemen guarding entrance to test drilling sight, Balcombe, West Sussex, England. 19th August 2013.

Cheryl-Samantha Owen / West coast rock lobsters (Jasus lalandii) are bagged and frozen in the Saldanha Bay police station. They will be used as evidence against the poachers in court. Law enforcement found this entire load...

Cheryl-Samantha Owen / West coast rock lobsters (Jasus lalandii) are bagged and frozen in the Saldanha Bay police station. They will be used as evidence against the poachers in court. Law enforcement found this entire load...

Cheryl-Samantha Owen / West coast rock lobsters (Jasus lalandii) including female with eggs to be bagged and frozen in the Saldanha Bay police station. They will be used as evidence against the poachers in court. Law enforc...

Terry Whittaker / Groups of people and police officer at anti badger cull march, London, 1st June 2013

David Tipling / Nick Barbara and ALE Police officer reviewing video footage of illegal Turtle Dove trapping during BirdLife Malta Springwatch Camp April 2013

Florian Möllers / Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, playing in the snow, Germany.

Florian Möllers / A Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, playing in the snow. Germany

Florian Möllers / A Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, portrait in the snow. Germany

Florian Möllers / Malinois x Herder cross breed female 'Zora' being trained by police officer in the snow. Germany

Florian Möllers / A Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, playing in the snow, Germany

Florian Möllers / A Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, playing in the snow, Germany

Florian Möllers / A Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, playing in the snow. Hitzhausen, Germany

Florian Möllers / A Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, playing in the snow. Hitzhausen, Germany

Florian Möllers / Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, lying in the snow, Germany.

Florian Möllers / A Malinois / Belgian Shepherd police dog 'Mia' owned by German police officer and dog handler, playing in the snow. Germany

Florian Möllers / Malinois x Herder cross breed female 'Zora' being trained by police officer in the snow. Germany

David Tipling / BirdLife Malta Officer with seized turtle doves (Streptopelia turtur) and trapping paraphernalia following a police raid on illegal trapping site, during BirdLife Malta Springwatch Camp, Malta, April...

David Tipling / BirdLife Malta Officer with seized turtle doves (Streptopelia turtur) and trapping paraphernalia following a police raid on illegal trapping site, during BirdLife Malta Springwatch Camp, Malta, April...

David Tipling / Police officer dismantles illegal mist nets in olive grove in Dekelia Sovereign Base Area of Cyprus, Birds would have been trapped and sold as the food delicacy ambelopoulia. September 2011.

David Tipling / Police officer dismantles illegal mist nets in olive grove in Dekelia Sovereign Base Area of Cyprus. Birds would have been trapped and sold as the food delicacy ambelopoulia. September 2011.

David Tipling / Officer from the British Sovereign Base Area Police anti trapping unit at Dekeleia holds a Blackcap (Sylvia atricapilla) rescued from an illegal trappers mist nest in Cyprus, September 2011

David Tipling / Officer from the British Sovereign Base Area Police anti trapping unit at Dekeleia holding a Blackcap (Sylvia atricapilla) rescued from a trappers mist nest in Cyprus, September 2011

David Tipling / Officer from the British Sovereign Base Police at Dekeleia Cyrus extracting an illegally trapped Great Reed Warbler from a mist net in olive grove. Bird would be used to serve as a delicacy in resaura...

David Tipling / Christakis an officer from the British Sovereign Base Police at Dekeleia Cyprus, extracting an illegally trapped Blackcap from a mist net in olive grove. Bird would be used to serve as a delicacy in r...

David Tipling / Blackcap (Sylvia atricapilla) caught in trappers illegal mist net, with an officer from the British Sovereign Base Police at Dekeleia removing birds, Cyprus, September 2011

Roland Seitre / Darby Morrell, Information officer, with photographs used as evidence in court cases brought by the National Fish and Wildlife Forensics Laboratory, Ashland, Oregon, USA

Kristel Richard / A traditionally dressed officer from the Ahmedabad Police, gallops on a bay Thoroughbred horse (Equus caballus) during a tent-pegging competition, Ahmedabad Police Station, Ahmeedabad, Gujarat, India.

Staffan Widstrand / Police officer in macaw shaped telephone booth Pantanal, Brazil

Tim Laman / Forest police officer Suryadi with casques and skulls of Helmeted hornbills (Rhinoplax vigil) confiscated by Natural Resources Conservation Agency) Samarinda, Kalimantan, Borneo, Indonesia. Confiscate...

Milan Radisics / Venetian police carrying boy through flooding in Venice, Italy, December 2019.

Wendy Shattil / Police tower for law enforcement near the USA-Mexico border. Santa Ana National Wildlife Refuge, near Alamo, Hidalgo County, Texas, USA. July 2019.