One-year-old Eileen Tavera and her sheep dog Charlie look out of their vehicle as they await in line with hundreds of residents, affected by the economic fallout caused by the coronavirus disease (COVID-19) pandemic, to collect groceries from the San Antonio Food Bank in San Antonio, Texas, U.S., April 17, 2020. REUTERS/Adrees Latif TPX IMAGES OF THE DAY

One-year-old Eileen Tavera and her sheep dog Charlie look out of their vehicle as they await in line with hundreds of residents, affected by the economic fallout caused by the coronavirus disease (COVID-19) pandemic, to collect groceries from the San Antonio Food Bank in San Antonio, Texas, U.S., April 17, 2020. REUTERS/Adrees Latif

A man looks at mummified animals, such as a dog, a cat, a monkey and a sheep from the Pharaohs era, on display at Mummification Museum in Luxor, Egypt October 27, 2019. REUTERS/Amr Abdallah Dalsh

A dog and sheep are seen in a factory producing a hard and salty cheese called Pecorino Romano, a product which may be hit by U.S. tariffs, in Fiano Romano outside Rome, Italy, October 14, 2019. Picture taken October 14, 2019. REUTERS/Yara Nardi

Britain's Prince William and Catherine, Duchess of Cambridge, are greeted by a sheep dog as they visit Deepdale Hall Farm, a traditional fell sheep farm, in Patterdale, Cumbria county, Britain June 11, 2019. Owen Humphreys/Pool via REUTERS

Farmers walk a sheep dog towards the annual Maam Cross fair in the Connemara region of Maam Cross in Galway, Ireland, October 30, 2018. REUTERS/Clodagh Kilcoyne

Tina Lowes and her Shetland Sheep Dog pup arrive for the first day of the Crufts Dog Show in Birmingham, Britain, March 8, 2018. REUTERS/Darren Staples

A woman with an Old English Sheep Dog waits for the start of the first day of the Crufts Dog Show in Birmingham, Britain, March 8, 2018. REUTERS/Darren Staples

A woman laughs as she puts a protective sock on to an Old English Sheep Dog during the first day of the Crufts Dog Show in Birmingham, Britain, March 8, 2018. REUTERS/Darren Staples

A dog licks the head of a Jacob sheep, in Ramot Naftali, Israel, February 21, 2018. Picture taken February 21, 2018. REUTERS/Amir Cohen TPX IMAGES OF THE DAY

A dog licks the head of a Jacob sheep, in Ramot Naftali, Israel, February 21, 2018. Picture taken February 21, 2018. REUTERS/Amir Cohen

A shepherd dog controls a group of geese before being blessed by a priest on the day of Saint Anthony, Spain's patron saint of animals, in Muro, in the island of Mallorca, Spain January 17, 2018. REUTERS/Enrique Calvo

The sheep-dog of farmer Tony Reid jumps up onto him as he inspects a water trough in a drought-effected paddock on Kahmoo Station property, located on the outskirts of the south-western Queensland town of Cunnamulla in outback Australia, August 10, 2017. Picture taken August 10, 2017. REUTERS/David Gray

Britain Rugby Union - British & Irish Lions Player Administration Day - Syon House, London Hilton Syon Park - 8/5/17 Lola the sheep dog dressed as a Lion sits as The British & Irish Lions team prepare for a team photo Action Images via Reuters / Paul Childs Livepic EDITORIAL USE ONLY. TPX IMAGES OF THE DAY

Britain Rugby Union - British & Irish Lions Player Administration Day - Syon House, London Hilton Syon Park - 8/5/17 Lola the sheep dog dressed as a Lion sits as The British & Irish Lions team prepare for a team photo Action Images via Reuters / Paul Childs Livepic EDITORIAL USE ONLY.

Domenico Ciccone greets his dogs as he arrives where some of his sheep spent the night near the town of Rocca Calascio, close to Santo Stefano di Sessanio in the province of L'Aquila in Abruzzo, inside the national park of the Gran Sasso e Monti della Laga, Italy, September 8, 2016. REUTERS/Siegfried Modola SEARCH "MODOLA MEDIEVAL" FOR THIS STORY. SEARCH "WIDER IMAGE" FOR ALL STORIES.

Angel Gutierrez Carrasco, 55, caresses his dog Paco as he tends to his flock of sheep by the dam of Penarroya, near Argamasilla de Alba, Spain, April 7, 2016. REUTERS/Susana Vera

A combination photo shows a sign for a hotel in the outskirts of Dosbarrios, along the A4 highway that links Madrid with Andalusia in Spain, April 4, 2016 (L) and Angel Gutierrez Carrasco, 55, caressing his dog Paco as he tends to his flock of sheep by the dam of Penarroya, near Argamasilla de Alba, Spain, April 7, 2016. The arid central Spanish region of La Mancha is the setting for "Don Quixote", the seventeenth-century novel by Miguel de Cervantes. Four hundred years after his death, references to the characters of Don Quixote, his loyal squire Sancho Panza and his beautiful lady Dulcinea abound in the surrounding villages. Cervantes did not give away the name of the birthplace of Don Quixote. But many identify the village of Argamasilla de Alba as his hometown. REUTERS/Susana Vera SEARCH "QUIXOTE VERA" FOR THIS STORY. SEARCH "THE WIDER IMAGE" FOR ALL STORIES

A shepherd dog and a herd of sheep are seen in a field as they return home from grazing fields outside Tbilisi, Georgia, November 11, 2015. Twice a year, in spring at the start of the grazing season and in autumn at season's end, herds of sheep cross the country during a long march of hundreds of kilometres. REUTERS/David Mdzinarishvili

A shepherd and his dog herds goats and sheep as they cross a road during sunset on the outskirts of Mollina, near Malaga, November 4, 2015. Picture taken November 4, 2015. REUTERS/Jon Nazca

Shepherd Ben Blackmore stands with his sheep dog and flock of Exmoor Horn sheep in Savile Row, London, Britain October 5, 2015. The Campaign for Wool marked the beginning of Britain's national Wool Week on Monday, on one of London's most renowned streets. REUTERS/Peter Nicholls

Sheepdogs wait to take part in the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

Sheepdog Glenn chases a Suffolk cross sheep at the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

Sheepdog Ben walks with his owner at the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

Shepherd's crooks are seen for sale at the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

Sheepdog Flash works with handler Jamie Owen at the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

Suffolk cross sheep wear red collars at the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

Peg, a four month old Border Collie, waits in a cage at the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

Sheepdog Flash rounds up sheep during the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

Sheepdog Flash works with handler Jamie Garland at the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

A shepherd's crook painted with an image of a sheep dog and sheep is seen for sale at the 2015 Welsh National Sheep Dog Trials at Llanvetherine in Wales, July 31, 2015. REUTERS/Rebecca Naden

A boy pushes a cart loaded with a sheep after selling it to a customer ahead of the Naadam Festival, near Khui Doloon Hudag outside Ulan bator, July 10, 2015. Naadam is the biggest event in the Mongolian calendar held from July 11 to 13, on the anniversary of the Mongolian revolution of 1921. Concerts, fairs and traditional sports like wrestling, archery and horse racing are held during the celebration. REUTERS/B. Rentsendorj

A woman walks her dog past a flock of sheep on Dia de Andalucia (Andalusia Day) on the outskirts of Ronda, near Malaga February 28, 2015. Picture taken February 28. REUTERS/Jon Nazca (SPAIN - Tags: SOCIETY ANNIVERSARY ANIMALS)

Old English Sheep dogs are placed by handlers in the ring during competition at the 139th Westminster Kennel Club's Dog Show in the Manhattan borough of New York February 16, 2015. REUTERS/Mike Segar (UNITED STATES - Tags: SOCIETY ANIMALS)

Swagger, an Old English Sheepdog, is shown by his co-owner and handler Colton Johnson during judging in the Herding Group at the 139th Westminster Kennel Club's Dog Show in the Manhattan borough of New York February 16, 2015. Swagger was the winner in the Old English Sheep Dog breed competition. REUTERS/Mike Segar (UNITED STATES - Tags: SOCIETY ANIMALS)

Swagger, an Old English Sheepdog, walks with his co-owner and handler Colton Johnson during judging in the Herding Group at the 139th Westminster Kennel Club's Dog Show in the Manhattan borough of New York February 16, 2015. Swagger was the winner in the Old English Sheep Dog breed competition. REUTERS/Mike Segar (UNITED STATES - Tags: SOCIETY ANIMALS)

Canadian musicians The Sheep Dogs perform during the Juno Awards show in Regina, Saskatchewan, April 21, 2013. REUTERS/Todd Korol (CANADA - Tags: ENTERTAINMENT)

Farmers Roy and Pam Kerby ride out to feed sheep with their dog Meg after snowfall in Etwall, central England March 22, 2013. Heavy snowfalls caused disruption across the country on Friday. REUTERS/Darren Staples (BRITAIN - Tags: ENVIRONMENT)

Farmers Roy and Pam Kerby ride out to feed sheep with their dog Meg after snowfall in Etwall, central England March 22, 2013. Heavy snowfalls caused disruption across the country on Friday. REUTERS/Darren Staples (BRITAIN - Tags: ENVIRONMENT)

Sheep dogs look in a pen where a lamb stands under a heat lamp, at the farm of sheep breeder Patrick Donnelly, near the town of Ballymena in County Antrim, northern Ireland February 22, 2013. British and Irish sheep farmers fear for their future as an oversupply of lamb in recession-hit Europe drags farm-gate prices to three-year lows while production costs have soared. REUTERS/Cathal McNaughton(Northern Ireland - Tags: ENVIRONMENT ANIMALS)

Britain's Prince Charles (2nd L) watches with farm manager Brent Thornbury as a sheep dog runs along the backs of sheep during a visit to the Leenavale Sheep Stud at Sorell, about 20 km (12 miles) east of Hobart November 8, 2012. Prince Charles and his wife Camilla, Duchess of Cornwall, are touring Australia for six days to commemorate the diamond jubilee of his mother Queen Elizabeth. REUTERS/William West/Pool (AUSTRALIA - Tags: ENTERTAINMENT ROYALS POLITICS ANIMALS)

A Great Pyrenees dog surveys a flock of sheep near Les Diablerets July 31, 2012. Swiss farmers use Great Pyrenees dogs to protect their cattle from wolves. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. Picture taken July 31, 2012. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

Pascal Sapet, a shepherd, pours salt on rocks for his flock of sheep near Les Diablerets August 1, 2012. Swiss farmers use Great Pyrenees dogs to protect their cattle from wolves. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

Pascal Sapet, a shepherd, walks through a mountainous region after completing his morning tasks involving his flock of sheep near Les Diablerets August 1, 2012. Swiss farmers use Great Pyrenees dogs to protect their cattle from wolves. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

Pascal Sapet, a shepherd, interacts with two Great Pyrenees dogs after they spent the night surveying a flock of sheep near Les Diablerets August 1, 2012. Swiss farmers use Great Pyrenees dogs to protect their cattle from wolves. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

A flock of sheep is seen in front of a sheepfold for a control check near Les Diablerets July 31, 2012. Swiss farmers use Great Pyrenees dogs to protect their cattle from wolves. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. Picture taken July 31, 2012. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

Pascal Sapet, a shepherd, walks in front of a flock of sheep near Les Diablerets July 31, 2012. Swiss farmers use Great Pyrenees dogs to protect their cattle from wolves. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. Picture taken July 31, 2012. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

A Great Pyrenees dog surveys a flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

Shepherd Pascal Sapet walks with his flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees dogs are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

A Great Pyrenees dog surveys a flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

Shepherd Pascal Sapet walks with his flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees dogs are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

A Great Pyrenees dog surveys a flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS ENVIRONMENT SOCIETY)

A Great Pyrenees dog surveys a flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

Shepherd Pascal Sapet walks with his flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees dogs are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS ENVIRONMENT SOCIETY)

Great Pyrenees dogs walk in front of shepherd Pascal Sapet's flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

A Great Pyrenees dog surveys a flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

Shepherd Pascal Sapet walks with his flock of sheep near Les Diablerets July 31, 2012. Great Pyrenees dogs are used to prevent attacks by wolves on their cattle by Swiss farmers. In early 2012, the Swiss Federal Office for Environment counted five wolves have entered the country out of the 70 to 200 that live in France and Italy. REUTERS/Denis Balibouse (SWITZERLAND - Tags: AGRICULTURE ANIMALS SOCIETY)

A sheepdog sits among the ruins of the village of Esco near the Yesa reservoir in Aragon region March 22, 2012. The Aragonese community, dating back over 700 years, was forced to abandon its self sufficient way of life after the flooding of their agricultural lands, following the construction of the Yesa dam across the nearby Aragon River. Locals are protesting a proposed enlargement of the barrier, which was inaugurated in 1960 by General Francisco Franco. Picture taken March 22, 2012. REUTERS/Vincent West (SPAIN - Tags: ENVIRONMENT TRAVEL)

Swiss shepherd Markus Nyffeler walks with his flock of sheep through a snow covered field in Muehlethurnen near Bern February 15, 2012. Nyffeler, who has been a professional herdsman for the past 20 years and owns 450 sheep of differing breeds, moves during the winter months around the region, seeking to feed his animals. REUTERS/Michael Buholzer (SWITZERLAND - Tags: ENVIRONMENT ANIMALS SOCIETY)