A wolf bites a wolfhound as he is attacked by dogs during a hunting contest outside Almaty, Kazakhstan December 21, 2019. REUTERS/Pavel Mikheyev TPX IMAGES OF THE DAY

A wolf bares teeth as he is attacked by a wolfhound during a hunting contest outside Almaty, Kazakhstan December 21, 2019. REUTERS/Pavel Mikheyev

A wolf bares teeth as he is attacked by a wolfhound during a hunting contest outside Almaty, Kazakhstan December 21, 2019. REUTERS/Pavel Mikheyev

A wolf bares teeth as he is attacked by a wolfhound during a hunting contest outside Almaty, Kazakhstan December 21, 2019. REUTERS/Pavel Mikheyev

A Caucasian Wolfhound looks through a window of a van in the village of Mansky in Krasnoyarsk Region, Russia March 24, 2019. REUTERS/Ilya Naymushin

An Irish Wolfhound is judged during the third day of the Crufts Dog Show in Birmingham, Britain, March 9, 2019. REUTERS/Hannah McKay

An Irish Wolfhound is judged during the third day of the Crufts Dog Show in Birmingham, Britain, March 9, 2019. REUTERS/Hannah McKay

Britain's Catherine, Duchess of Cambridge attaches shamrock to the collar of mascot Irish Wolfhound Domhnall at the presentation of Shamrock to the 1st Battalion Irish Guards, at a St Patrick's Day parade at Cavalry Barracks in Hounslow, London, Britain March 17, 2018. Andrew Parsons/Pool via Reuters

An Irish Wolfhound participates in the St. Patrick's Day parade in Dublin, Ireland, March 17, 2018. REUTERS/Clodagh Kilcoyne

Britain's Catherine, Duchess of Cambridge strokes mascot Irish Wolfhound, Domhnall, as she attends the presentation of Shamrock to the 1st Battalion Irish Guards, at a St Patrick's Day parade at Cavalry Barracks in Hounslow, London, Britain March 17, 2018. Andrew Parsons/Pool via Reuters

Britain's Catherine, Duchess of Cambridge strokes mascot Irish Wolfhound, Domhnall, as she attends the presentation of Shamrock to the 1st Battalion Irish Guards, at a St Patrick's Day parade at Cavalry Barracks in Hounslow, London, Britain March 17, 2018. Andrew Parsons/Pool via Reuters

Britain's Catherine, Duchess of Cambridge strokes mascot, Irish Wolfhound, Domhnall, at the presentation of Shamrock to the 1st Battalion Irish Guards, at a St Patrick's Day parade at Cavalry Barracks in Hounslow, London, Britain March 17, 2018. REUTERS/Henry Nicholls

Irish Wolfhounds rest during the second day of the Crufts Dog Show in Birmingham, Britain March 9, 2018. REUTERS/Darren Staples

An Irish Wolfhound is shown during the second day of the Crufts Dog Show in Birmingham, Britain March 9, 2018. REUTERS/Darren Staples

An Irish Wolfhound is shown during the second day of the Crufts Dog Show in Birmingham, Britain March 9, 2018. REUTERS/Darren Staples

Irish Wolfhounds and a Dachshund arrive for the second day of the Crufts Dog Show in Birmingham, Britain March 9, 2018. REUTERS/Darren Staples

Irish Wolfhounds and Dachshunds arrive for the second day of the Crufts Dog Show in Birmingham, Britain March 9, 2018. REUTERS/Darren Staples

Two Borzoi, known also as Russian wolfhounds, stand in a park in Milan, Italy December 3, 2017. REUTERS/Stefano Rellandini

A Borzoi, known also as Russian wolfhound, runs in a park in Milan, Italy, December 3, 2017. REUTERS/Stefano Rellandini

A woman holds a Borzoi, known also as Russian wolfhound, in a park in Milan, Italy, December 3, 2017. REUTERS/Stefano Rellandini

A woman playes with a Borzoi, known also as Russian wolfhound, in a park in Milan, Italy, December 3, 2017. REUTERS/Stefano Rellandini

A Borzoi, known also as Russian wolfhound, stands in a park in Milan, Italy, December 3, 2017. REUTERS/Stefano Rellandini

A man walks past a Borzoi, known also as Russian wolfhound, in a park in Milan, Italy, December 3, 2017. REUTERS/Stefano Rellandini

A guardsman of the Irish Guards walks with an Irish wolfhound during the Colonel's Review ceremony at Horse Guards Parade in London, Britain June 10, 2017. REUTERS/Stefan Wermuth

Britain's Catherine the Duchess of Cambridge attaches shamrock to the regimental mascot, an Irish Wolfhound called Domhnall, during a visit the Irish Guards to mark St Patrick's Day at their barracks in London, March 17, 2017. REUTERS/Peter Nicholls

Britain's Catherine the Duchess of Cambridge attaches shamrock to the regimental mascot, an Irish Wolfhound called Domhnall, during a visit the Irish Guards to mark St Patrick's Day at their barracks in London, March 17, 2017. REUTERS/Peter Nicholls

A member of the Irish guards walks regimental mascot, and Irish Wolfhound named Domhnall as they prepare for a visit by Britain's Prince William and Catherine the Duchess of Cambridge to mark St Patrick's Day at their barracks in London, March 17, 2017. REUTERS/Peter Nicholls

A members of the Irish guards walks regimental mascot, and Irish Wolfhound named Domhnall as they prepare for a visit by Britain's Prince William and Catherine the Duchess of Cambridge to mark St Patrick's Day at their barracks in London, March 17, 2017. REUTERS/Peter Nicholls

A members of the Irish guards walks regimental mascot, and Irish Wolfhound named Domhnall as they prepare for a visit by Britain's Prince William and Catherine the Duchess of Cambridge to mark St Patrick's Day at their barracks in London, March 17, 2017. REUTERS/Peter Nicholls

A man shows an Irish Wolfhound during the first day of the Crufts Dog Show in Birmingham, Britain March 9, 2017. REUTERS/Darren Staples TPX IMAGES OF THE DAY

An Irish Wolfhound looks at a Dachshund during the first day of the Crufts Dog Show in Birmingham, Britain March 9, 2017. REUTERS/Darren Staples

A man shows an Irish Wolfhound looks at a Dachshund during the first day of the Crufts Dog Show in Birmingham, Britain March 9, 2017. REUTERS/Darren Staples

A man waits to show an Irish Wolfhound during the first day of the Crufts Dog Show in Birmingham, Britain March 9, 2017. REUTERS/Darren Staples

An Irish Wolfhound (L) and a Borzoi (R) stand near each other before competition at the 141st Westminster Kennel Club Dog Show in New York City, U.S., February 13, 2017. REUTERS/Mike Segar

Rebecca Smith poses for a photograph during winter solstice with her Irish Wolfhound dog called Amazing Grace at the 5000 year old stone age tomb of Newgrange in the Boyne Valley at sunrise in Newgrange, Ireland, December 21, 2016. REUTERS/Clodagh Kilcoyne

Irish Wolfhound dogs are seen during winter solstice at the 5000 year old stone age tomb of Newgrange in the Boyne Valley at sunrise in Newgrange, Ireland, December 21, 2016. REUTERS/Clodagh Kilcoyne

Irish Wolfhound dogs are seen during winter solstice at the 5000 year old stone age tomb of Newgrange in the Boyne Valley at sunrise in Newgrange, Ireland, December 21, 2016. REUTERS/Clodagh Kilcoyne

Rebecca Smith poses for a photograph during winter solstice with her Irish Wolfhound dog called Amazing Grace at the 5000 year old stone age tomb of Newgrange (not in view) in the Boyne Valley at sunrise in Newgrange, Ireland, December 21, 2016. REUTERS/Clodagh Kilcoyne TPX IMAGES OF THE DAY

Irish Wolfhound dogs are seen during winter solstice at the 5000 year old stone age tomb of Newgrange (not in view) in the Boyne Valley at sunrise in Newgrange, Ireland, December 21, 2016. REUTERS/Clodagh Kilcoyne

A Caucasian Wolfhound is seen near a bridge of the Trans-Siberian Railway while a train moves over the Yenisei River, in Krasnoyarsk, Siberia, Russia, May 13, 2016. REUTERS/Ilya Naymushin

Britain's Catherine, Duchess of Cambridge, presents a sprig of shamrock to the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, during a visit with her husband, Prince William, to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2015. REUTERS/Eddie Mulholland/pool (BRITAIN - Tags: ROYALS ENTERTAINMENT MILITARY)

Britain's Catherine, Duchess of Cambridge, smiles after presenting a sprig of shamrock to the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, during a visit with her husband, Prince William (2nd L), to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2015. REUTERS/Toby Melville (BRITAIN - Tags: ROYALS POLITICS MILITARY ENTERTAINMENT)

Britain's Catherine, Duchess of Cambridge, presents a sprig of shamrock to the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, during a visit with her husband, Prince William (2nd L), to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2015. REUTERS/Toby Melville (BRITAIN - Tags: ROYALS POLITICS MILITARY ENTERTAINMENT TPX IMAGES OF THE DAY)

Versace, a Russian Wolfhound from Pennsylvania stands with his owner as they wait to check into the Pennsylvania Hotel in New York City ahead of the139th Westminster Kennel Club's Annual Dog Show in the Manhattan borough of New York February 15, 2015. REUTERS/Mike Segar (UNITED STATES - Tags: SOCIETY ANIMALS)

Versace, a Russian Wolfhound from Pennsylvania stands with his owner as they wait to check into the Pennsylvania Hotel in New York City ahead of the139th Westminster Kennel Club's Annual Dog Show in the Manhattan borough of New York February 15, 2015. REUTERS/Mike Segar (UNITED STATES - Tags: SOCIETY ANIMALS)

Britain's Catherine, Duchess of Cambridge pats the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, after presenting him with a sprig of shamrock during a visit with her husband, Prince William (L), to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2014. Prince William attended the Parade as Colonel of the Regiment, and the Duchess presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. REUTERS/Bradley Page/Pool (BRITAIN - Tags: ENTERTAINMENT MILITARY SOCIETY ROYALS)

Britain's Catherine, Duchess of Cambridge presents a sprig of shamrock to the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, during a visit with her husband, Prince William, to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2014. Prince William attended the Parade as Colonel of the Regiment, and the Duchess presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. REUTERS/Bradley Page/Pool (BRITAIN - Tags: ENTERTAINMENT MILITARY SOCIETY ROYALS)

Britain's Catherine, Duchess of Cambridge presents a sprig of shamrock to the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, during a visit with her husband, Prince William, to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2014. Prince William attended the Parade as Colonel of the Regiment, and the Duchess presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. REUTERS/Bradley Page/Pool (BRITAIN - Tags: ENTERTAINMENT MILITARY SOCIETY ROYALS)

Britain's Catherine, Duchess of Cambridge speaks to the handler of the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, after presenting him with a sprig of shamrock during a visit with her husband, Prince William, to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2014. Prince William attended the Parade as Colonel of the Regiment, and the Duchess presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. REUTERS/Bradley Page/Pool (BRITAIN - Tags: ENTERTAINMENT MILITARY SOCIETY ROYALS)

Britain's Catherine, Duchess of Cambridge strokes the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, after presenting him with shamrocks during a visit with her husband, Prince William, to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2014. Prince William attended the Parade as Colonel of the Regiment, and the Duchess presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT MILITARY SOCIETY ROYALS)

Britain's Catherine, Duchess of Cambridge strokes the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, after presenting him with shamrocks during a visit with her husband, Prince William, to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2014. Prince William attended the Parade as Colonel of the Regiment, and the Duchess presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT MILITARY SOCIETY ROYALS)

Britain's Catherine, Duchess of Cambridge strokes the mascot of the 1st Battalion Irish Guards, an Irish Wolfhound called Domhnall, after presenting him with shamrocks during a visit with her husband, Prince William, to a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2014. Prince William attended the Parade as Colonel of the Regiment, and the Duchess presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. REUTERS/Luke MacGregor (BRITAIN - Tags: ENTERTAINMENT MILITARY SOCIETY ROYALS)

An Irish Wolfhound is judged during competition at the Hound group during day one of judging of the 2014 Westminster Kennel Club Dog Show in New York February 10, 2014. Nearly 3,000 dogs and their handlers hit the competition floor in New York on Monday at Madison Square Garden, which will send winners of seven groups to determine this year's champion. REUTERS/Eduardo Munoz (UNITED STATES - Tags: ANIMALS SOCIETY)

An Irish Wolfhound is groomed in the penning area during day one of judging of the 2014 Westminster Kennel Club Dog Show in New York February 10, 2014. REUTERS/Eduardo Munoz (UNITED STATES - Tags: ANIMALS SOCIETY)

Joe Altavilla, alongside his Russian Wolfhound dog Sundance, watches smoke rising from the Doce Fire near his home in Yavapai County, Arizona June 19, 2013. More than 500 firefighters were battling the Doce Fire, which has burned through 7,000 acres (2,830 hectares) of chaparral, pine and juniper since Tuesday morning near Prescott, about 100 miles (160 km) north of Phoenix, the Prescott National Forest said in a statement. REUTERS/Joshua Lott (UNITED STATES - Tags: ENVIRONMENT DISASTER ANIMALS)

Britain's Catherine, Duchess of Cambridge presents shamrock to the mascot of the 1st Battalion Irish Guards, an Irish wolfhound called Domhnall, as she attends a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2013. Prince William attended the Parade as Colonel of the Regiment, and the Duchess presented the traditional sprigs of shamrocks to the Officers and Guardsmen of the Regiment. REUTERS/Toby Melville (BRITAIN - Tags: ANNIVERSARY ENTERTAINMENT MILITARY SOCIETY ROYALS)

Britain's Catherine, Duchess of Cambridge presents shamrock to the mascot of the 1st Battalion Irish Guards, an Irish wolfhound called Domnhall, as she attends a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2013. REUTERS/Kieran Doherty (BRITAIN - Tags: ANNIVERSARY ENTERTAINMENT MILITARY SOCIETY ROYALS)

Britain's Catherine, Duchess of Cambridge presents shamrock to the mascot of the 1st Battalion Irish Guards, an Irish wolfhound called Domnhall, as she attends a St Patrick's Day Parade at Mons Barracks in Aldershot, southern England March 17, 2013. REUTERS/Kieran Doherty (BRITAIN - Tags: ANNIVERSARY ENTERTAINMENT MILITARY SOCIETY ROYALS)

Irish Wolfhounds are judged during the first day of the Crufts Dog Show in Birmingham, central England March 7, 2013. REUTERS/Darren Staples (BRITAIN - Tags: ANIMALS SOCIETY)

A girl sits with an Irish Wolfhound during the first day of the Crufts Dog Show in Birmingham, central England March 7, 2013. REUTERS/Darren Staples (BRITAIN - Tags: ANIMALS SOCIETY)