A leashed dog is being held back near a carcass of a humpback whale that washed up at Baker Beach in San Francisco, California, U.S. April 21, 2020. REUTERS/Stephen Lam 

Members of the San Francisco Fire Department look at a carcass of a humpback whale that washed up at Baker Beach in San Francisco, California, U.S. April 21, 2020. REUTERS/Stephen Lam 

Beachgoers gather around a carcass of a humpback whale that washed up at Baker Beach in San Francisco, California, U.S. April 21, 2020. REUTERS/Stephen Lam 

The carcass of a humpback whale lies washed up at Baker Beach in San Francisco, California, U.S. April 21, 2020. REUTERS/Stephen Lam 

Beachgoers look at the fluke of a humpback whale that washed up at Baker Beach in San Francisco, California, U.S. April 21, 2020. REUTERS/Stephen Lam 

Members of the San Francisco Fire Department stand by a carcass of a humpback whale that washed up at Baker Beach in San Francisco, California, U.S. April 21, 2020. REUTERS/Stephen Lam 

Law enforcement personnel stand next to a dead humpback whale that had washed up in New York, U.S., April 4, 2017. REUTERS/Lucas Jackson 

Pedestrians stop to look at a dead humpback whale that washed up on a beach in New York, U.S., April 4, 2017. REUTERS/Lucas Jackson 

Pedestrians stop to look at a dead humpback whale that washed up on a beach in New York, U.S., April 4, 2017. REUTERS/Lucas Jackson 

Pedestrians stop to look at a dead humpback whale that washed up on a beach in New York, U.S., April 4, 2017. REUTERS/Lucas Jackson 

Pedestrians stop to look at a dead humpback whale that washed up on a beach in New York, U.S., April 4, 2017. REUTERS/Lucas Jackson 

Law enforcement personnel stand next to a dead humpback whale that had washed up in New York, U.S., April 4, 2017. REUTERS/Lucas Jackson 

Law enforcement personnel stand next to a dead humpback whale that had washed up in New York, U.S., April 4, 2017. REUTERS/Lucas Jackson TPX IMAGES OF THE DAY 

A humpback whale breaches off the coast at Clovelly Beach in Sydney, Australia, June 19, 2016. REUTERS/David Gray/File Photo 

Heavy machinery is used as Encinitas lifeguards work to remove the carcass of a large humpback whale that washed ashore in Leucadia, California, United States, July 18, 2016. REUTERS/Mike Blake TPX IMAGES OF THE DAY

A worker uses a chainsaw as Encinitas lifeguards work to remove the carcass of a large humpback whale that washed ashore in Leucadia, California, United States, July 18, 2016. EUTERS/Mike Blake

An Encinitas lifeguard wears a mask to help reduce the smell as he works to remove the carcass of a large humpback whale that washed ashore in Leucadia, California, United States, July 18, 2016. REUTERS/Mike Blake

A worker uses a chainsaw as Encinitas lifeguards work to remove the carcass of a large humpback whale that washed ashore in Leucadia, California, United States, July 18, 2016. REUTERS/Mike Blake

Encinitas lifeguards work to remove the carcass of a large humpback whale that washed ashore in Leucadia, California, United States, July 18, 2016. REUTERS/Mike Blake

Encinitas lifeguards wear masks as they work to remove the carcass of a large humpback whale that washed ashore in Leucadia, California, United States, July 18, 2016. REUTERS/Mike Blake

Part of a large humpback whale is transported by heavy machinery as Encinitas lifeguards work to remove the carcass after it washed ashore in Leucadia, California, United States, July 18, 2016. REUTERS/Mike Blake

Encinitas lifeguards help section a large humpback whale as they work to remove the carcass after it washed ashore in Leucadia, California, United States, July 18, 2016. REUTERS/Mike Blake

Encinitas lifeguards work to remove the carcass of a large humpback whale that washed ashore in Leucadia, California, United States, July 18, 2016. REUTERS/Mike Blake

Workers and Encinitas Lifeguards deal with the massive weight of a dead humpback whale as they work to remove the carcass after it washed ashore in Leucadia, California, United States, July 18, 2016. REUTERS/Mike Blake

A humpback whale breaches off the coast at Clovelly Beach in Sydney, Australia, June 19, 2016. REUTERS/David Gray 

A humpback whale breaches off the coast at Clovelly Beach in Sydney, Australia, June 19, 2016. REUTERS/David Gray 

People huddle under an umbrella as they watch a Humpback whale breach off the coast at Clovelly Beach in Sydney, Australia, June 19, 2016. REUTERS/David Gray 

A humpback whale breaches off the coast at Clovelly Beach in Sydney, Australia, June 19, 2016. REUTERS/David Gray 

A stranded humpback whale surfaces at the docks of Puerto Madero neighbourhood as people watch in Buenos Aires, Argentina, August 3, 2015. REUTERS/Marcos Brindicci TPX IMAGES OF THE DAY

A stranded humpback whale surfaces at the docks of Puerto Madero neighbourhood in Buenos Aires, Argentina, August 3, 2015. REUTERS/Marcos Brindicci 

A stranded humpback whale surfaces at the docks of Puerto Madero neighbourhood as people watch in Buenos Aires, Argentina, August 3, 2015. REUTERS/Marcos Brindicci 

A stranded humpback whale surfaces at the docks of Puerto Madero neighbourhood in Buenos Aires, Argentina, August 3, 2015. REUTERS/Marcos Brindicci 

A Humpback whale and her calf breach together off the New South Wales coast at Mollymook Beach, located south of Sydney November 4, 2014. REUTERS/David Gray (AUSTRALIA - Tags: ANIMALS) 

A Humpback whale and her calf breach together off the New South Wales coast at Mollymook Beach, located south of Sydney November 4, 2014. REUTERS/David Gray (AUSTRALIA - Tags: ANIMALS) 

Marine rescue workers from Sea World attempt to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. REUTERS/Jason O'Brien (AUSTRALIA - Tags: ANIMALS ENVIRONMENT SOCIETY) 

A marine rescue worker from Sea World works in a joint attempt with his colleagues to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. REUTERS/Jason O'Brien (AUSTRALIA - Tags: ANIMALS ENVIRONMENT SOCIETY TPX IMAGES OF THE DAY) 

Marine rescue workers from Sea World attempt to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. REUTERS/Jason O'Brien (AUSTRALIA - Tags: ANIMALS ENVIRONMENT SOCIETY) 

A marine rescue worker from Sea World carries a harness in an attempt to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. REUTERS/Jason O'Brien (AUSTRALIA - Tags: ANIMALS ENVIRONMENT SOCIETY) 

Marine rescue workers from Sea World attempt to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. REUTERS/Jason O'Brien (AUSTRALIA - Tags: ANIMALS ENVIRONMENT SOCIETY) 

Marine rescue workers from Sea World attempt to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. REUTERS/Jason O'Brien (AUSTRALIA - Tags: ANIMALS ENVIRONMENT SOCIETY) 

Marine rescue workers from Sea World attempt to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. REUTERS/Jason O'Brien (AUSTRALIA - Tags: ANIMALS ENVIRONMENT SOCIETY TPX IMAGES OF THE DAY) 

Marine rescue workers from Sea World attempt to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. REUTERS/Jason O'Brien (AUSTRALIA - Tags: ANIMALS ENVIRONMENT SOCIETY) 

Marine rescue workers from Sea World attempt to help a juvenile humpback whale stranded at Palm Beach on the Gold Coast, in Queensland July 9, 2014. REUTERS/Jason O'Brien (AUSTRALIA - Tags: ANIMALS ENVIRONMENT SOCIETY) 

Wildlife rangers talk next to a dead humpback whale lying in a rock pool at Newport beach in Sydney August 1, 2012. Residents of Newport, a popular surfing beach in Sydney, woke to find the corpse of a 30-tonne humpback whale washed up in an ocean swimming pool on Wednesday, according to local media. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ENVIRONMENT ANIMALS MARITIME SOCIETY) 

Police and wildlife rangers stand next to a dead humpback whale lying in a rock pool at Newport beach in Sydney August 1, 2012. Residents of Newport, a popular surfing beach in Sydney, woke to find the corpse of the 30-tonne humpback whale washed up in an ocean swimming pool on Wednesday, according to local media. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ENVIRONMENT ANIMALS MARITIME SOCIETY) 

A dead humpback whale lies in a rock pool at Newport beach in Sydney August 1, 2012. Residents of Newport, a popular surfing beach in Sydney, woke to find the corpse of the 30-tonne humpback whale washed up in an ocean swimming pool on Wednesday, according to local media. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ENVIRONMENT ANIMALS MARITIME SOCIETY) 

Police officers talk to wildlife rangers next to a dead humpback whale lying in a rock pool at Newport beach in Sydney August 1, 2012. Residents of Newport, a popular surfing beach in Sydney, woke to find the corpse of the 30-tonne humpback whale washed up in an ocean swimming pool on Wednesday, according to local media. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ENVIRONMENT CRIME LAW ANIMALS SOCIETY MARITIME) 

Police and wildlife rangers stand next to a dead humpback whale lying in a rock pool at Newport beach in Sydney August 1, 2012. Residents of Newport, a popular surfing beach in Sydney, woke to find the corpse of the 30-tonne humpback whale washed up in an ocean swimming pool on Wednesday, according to local media. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ENVIRONMENT ANIMALS MARITIME SOCIETY) 

Women cover their noses as they walk away from a dead humpback whale lying in a rock pool at Newport beach in Sydney August 1, 2012. Residents of Newport, a popular surfing beach in Sydney, woke to find the corpse of the 30-tonne humpback whale washed up in an ocean swimming pool on Wednesday, according to local media. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ENVIRONMENT ANIMALS MARITIME SOCIETY) 

Police and wildlife rangers stand next to a dead humpback whale lying in a rock pool at Newport beach in Sydney August 1, 2012. Residents of Newport, a popular surfing beach in Sydney, woke to find the corpse of a 30-tonne humpback whale washed up in an ocean swimming pool on Wednesday, according to local media. REUTERS/Daniel Munoz (AUSTRALIA - Tags: ENVIRONMENT ANIMALS MARITIME SOCIETY TPX IMAGES OF THE DAY) 

A humpback whale appears near the water surface in Puerto Lopez, some 375km (233 miles) northwest of Quito July 29, 2012. Humpback whales migrate from the Antarctic to Ecuadorian coasts in this season. Picture taken July 29, 2012. REUTERS/Guillermo Granja (ECUADOR - Tags: ANIMALS TRAVEL) 

A pelican flies in front of tourists on a boat watching whales in Puerto Lopez, some 375km (233 miles) northwest of Quito July 29, 2012. Humpback whales migrate from the Antarctic to Ecuadorian coasts in this season. Picture taken July 29, 2012. REUTERS/Guillermo Granja (ECUADOR - Tags: ANIMALS TRAVEL) 

Boats are seen on the seashore of Puerto Lopez, some 375km (233 miles) northwest of Quito July 29, 2012. Humpback whales migrate from the Antarctic to Ecuadorian coasts in this season. Picture taken July 29, 2012. REUTERS/Guillermo Granja (ECUADOR - Tags: ENVIRONMENT ANIMALS) 

Tourists on a boat watch whales in Puerto Lopez, some 375km (233 miles) northwest of Quito July 29, 2012. Humpback whales migrate from the Antarctic to Ecuadorian coasts in this season. Picture taken July 29, 2012. REUTERS/Guillermo Granja (ECUADOR - Tags: ANIMALS TRAVEL) 

Advertisements for whale watching activities are seen on the back of a "moto taxi", a three-wheeled motorcycle taxi, in Puerto Lopez, some 375km (233 miles) northwest of Quito July 29, 2012. Tourists flock to the beach at Puerto Lopez for whale watching as humpback whales migrate from the Antarctic and arrive at Ecuadorian coasts in this season. Picture taken July 29, 2012. REUTERS/Guillermo Granja (ECUADOR - Tags: ANIMALS TRAVEL TRANSPORT) 

A beached humpback whale lies on the shore near Puerto Eten, 23 km (14 miles) south of Chiclayo July 3, 2012. Government specialists collected samples from the 7-metre (23 feet), 3-ton cetacean yesterday to determine the cause that led it to be stranded on the shore, according to local media. REUTERS/Heinz Plenge (PERU - Tags: ENVIRONMENT ANIMALS TPX IMAGES OF THE DAY) 

A Royal Canadian Mounted Police officer stands guard, as crow comes into land, over a humpback whale that beached itself in White Rock, British Columbia June12, 2012. The whale, which showed signs of injuries on its body, was alive when fisheries officials arrived but died soon after. REUTERS/Andy Clark (CANADA - Tags: SOCIETY ENVIRONMENT ANIMALS) 

A Royal Canadian Mounted Police officer (R) and fisheries officer stand guard, as the tide comes in, over a humpback whale that beached itself in White Rock, British Columbia June12, 2012. The whale, which showed signs of injuries on its body, was alive when fisheries officials arrived but died soon after. REUTERS/Andy Clark (CANADA - Tags: SOCIETY ENVIRONMENT ANIMALS) 

Police officers stand around the tail of a humpback whale that beached itself in White Rock, British Columbia June12, 2012. The whale, which showed signs of injuries on its body, was alive when fisheries officials arrived, but died soon after. REUTERS/Andy Clark (CANADA - Tags: SOCIETY ENVIRONMENT ANIMALS)