Laid out on a tray are parts of the 43 million-year-old fossil of a previously unknown four-legged amphibious whale called "Phiomicetus Anubis", that helps trace the transition of whales from land to sea, which were discovered in the Fayum Depression in the Western Desert of Egypt, near the town of El Mansoura, north of Cairo, Egypt, August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura university, works on renovating the 43 million-year-old fossil of a previously unknown amphibious four-legged whale species called "Phiomicetus anubis" that helps trace the transition of whales from land to sea, discovered in the Fayum Depression in the Western Desert, near the town of El Mansoura, north of Cairo, Egypt, August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura, university works on renovating the 43 million-year-old fossil of a previously unknown four-legged amphibious whale called "Phiomicetus Anubis", that helps trace the transition of whales from land to sea, which were discovered in the Fayum Depression in the Western Desert of Egypt, near the town of El Mansoura, north of Cairo, Egypt August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura university, works on renovating the 43 million-year-old fossil of a previously unknown amphibious four-legged whale species called "Phiomicetus anubis" that helps trace the transition of whales from land to sea, discovered in the Fayum Depression in the Western Desert, near the town of El Mansoura, north of Cairo, Egypt, August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura, university works on renovating the 43 million-year-old fossil of a previously unknown four-legged amphibious whale called "Phiomicetus Anubis", that helps trace the transition of whales from land to sea, which were discovered in the Fayum Depression in the Western Desert of Egypt, near the town of El Mansoura, north of Cairo, Egypt August 26, 2021. REUTERS/Mohamed Abd El Ghany

Abdullah Gohar, a researcher at El Mansoura university, works on renovating the 43 million-year-old fossil of a previously unknown amphibious four-legged whale species called "Phiomicetus anubis" that helps trace the transition of whales from land to sea, discovered in the Fayum Depression in the Western Desert, near the town of El Mansoura, north of Cairo, Egypt, August 26, 2021. REUTERS/Mohamed Abd El Ghany

Sea lions swim near the shore of a beach as they seek to escape a pack of hunting killer whales, according local media, at Tome area, Concepcion, Chile June 23, 2021. REUTERS/Juan Gonzalez

Sea lions swim near the shore of a beach as they seek to escape a pack of hunting killer whales, according local media, at Tome area, Concepcion, Chile June 23, 2021. REUTERS/Juan Gonzalez

Sea lions congregate on a beach shore as they seek to escape a pack of hunting killer whales, according local media, at Tome area, Concepcion, Chile, June 23, 2021. REUTERS/Juan Gonzalez

Sea lions congregate on a dock as they seek to escape a pack of hunting killer whales, according local media, at Tome area, Concepcion, Chile, June 23, 2021. REUTERS/Juan Gonzalez

Sea lions congregate on a dock as they seek to escape a pack of hunting killer whales, according local media, at Tome area, Concepcion, Chile, June 23, 2021. REUTERS/Juan Gonzalez

Sea lions congregate on a dock as they seek to escape a pack of hunting killer whales, according local media, at Tome area, Concepcion, Chile, June 23, 2021. REUTERS/Juan Gonzalez

Sea lions congregate on a dock as they seek to escape a pack of hunting killer whales, according local media, at Tome area, Concepcion, Chile, June 23, 2021. REUTERS/Juan Gonzalez

Sea lions congregate on a dock as they seek to escape a pack of hunting killer whales, according local media, at Tome area, Concepcion, Chile, June 23, 2021. REUTERS/Juan Gonzalez

Sea lions congregate on a dock as they seek to escape a pack of hunting killer whales, according local media, at Tome area, Concepcion, Chile, June 23, 2021. REUTERS/Juan Gonzalez

A whale shark swims next to volunteer divers after they removed abandoned fishing net that was covering a coral reef in a protected area of Ko Losin, Thailand June 19, 2021. Picture taken June 19, 2021. REUTERS/Jorge Silva

A whale shark swims next to volunteer divers after they removed abandoned fishing net that was covering a coral reef in a protected area of Ko Losin, Thailand June 19, 2021. Picture taken June 19, 2021. REUTERS/Jorge Silva

A whale shark swims near volunteer divers after they removed abandoned fishing net that was covering a coral reef in a protected area of Ko Losin, Thailand June 19, 2021. Picture taken June 19, 2021. REUTERS/Jorge Silva

A whale shark swims next to volunteer divers after they removed abandoned fishing net that was covering a coral reef in a protected area of Ko Losin, Thailand June 19, 2021. Picture taken June 19, 2021. REUTERS/Jorge Silva

A sign advertising available positions outside The Salty Whale & Guesthouse in Manasquan, New Jersey, U.S., May 25, 2021. REUTERS/Joseph Ax

A sign advertising available positions outside The Salty Whale & Guesthouse in Manasquan, New Jersey, U.S., May 25, 2021. REUTERS/Joseph Ax

The carcass of a three-metre minke whale calf that has been put down is readied to be loaded onto the back of a truck at the Royal National Lifeboat Institution (RNLI) Teddington Lifeboat Station to be taken away for a post-mortem examination, by the River Thames in London, Britain May 11, 2021 REUTERS/Tom Nicholson

A three-metre minke whale calf that has been put down is loaded onto the back of a truck at the Royal National Lifeboat Institution (RNLI) Teddington Lifeboat Station to be taken away for a post-mortem examination, by the River Thames in London, Britain May 11, 2021 REUTERS/Tom Nicholson

A three-metre minke whale calf that has been put down is loaded onto the back of a truck at the Royal National Lifeboat Institution (RNLI) Teddington Lifeboat Station to be taken away for a post-mortem examination, by the River Thames in London, Britain May 11, 2021 REUTERS/Tom Nicholson

A three-metre minke whale calf that has been put down is taken away by members of the Royal National Lifeboat Institution (RNLI) and the Cetacean Strandings Investigation Programme (CSIP) on the River Thames in London, Britain May 11, 2021 REUTERS/Tom Nicholson

The carcass of a three-metre minke whale calf that has been put down is seen on the banks of the River Thames in London, Britain May 11, 2021 REUTERS/Tom Nicholson

A three-metre minke whale calf that has been put down is taken away by members of the Royal National Lifeboat Institution (RNLI) and the Cetacean Strandings Investigation Programme (CSIP) on the River Thames in London, Britain May 11, 2021 REUTERS/Tom Nicholson

The whale sculpture, "Echoes - a voice from uncharted waters", set up by artist Mathias Gmachl, which symbolises the climate crisis and the general environmental pollution, is seen at Museumsquartier public square, in Vienna, Austria, May 10, 2021. REUTERS/Lisi Niesner

The whale sculpture, "Echoes - a voice from uncharted waters", set up by artist Mathias Gmachl, which symbolises the climate crisis and the general environmental pollution, is seen at Museumsquartier public square, in Vienna, Austria, May 10, 2021. REUTERS/Lisi Niesner

The whale sculpture, "Echoes - a voice from uncharted waters", set up by artist Mathias Gmachl, which symbolises the climate crisis and the general environmental pollution, is seen at Museumsquartier public square, in Vienna, Austria, May 10, 2021. REUTERS/Lisi Niesner

People react looking at the scene after a three-metre minke whale calf has been put down on the banks of the River Thames in London, Britain May 10, 2021 REUTERS/Tom Nicholson

People react looking at the scene after a three-metre minke whale calf has been put down on the banks of the River Thames in London, Britain May 10, 2021 REUTERS/Tom Nicholson

A woman and a dog in a kayak look at the scene after a three-metre minke whale calf has been put down on the banks of the River Thames in London, Britain May 10, 2021 REUTERS/Tom Nicholson

A member of a team attending to a three-metre minke whale calf lays flowers after it has been put down on the banks of the River Thames in London, Britain May 10, 2021 REUTERS/Tom Nicholson

Flowers are left on a three-metre minke whale calf after it was put down on the banks of the River Thames in London, Britain May 10, 2021. REUTERS/Tom Nicholson TPX IMAGES OF THE DAY

Members of a team attending to a three-metre minke whale calf work after is has been put down on the banks of the River Thames in London, Britain May 10, 2021 REUTERS/Tom Nicholson

A member of a team looks at a three-metre minke whale calf after is has been put down on the banks of the River Thames in London, Britain, May 10, 2021. Picture taken with a drone. REUTERS/Hannah McKay

A team attends to a three-metre minke whale calf by the River Thames, in London, Britain May 10, 2021 REUTERS/Tom Nicholson

A member of a team attending to a three-metre minke whale calf takes its picture by the River Thames, in London, Britain May 10, 2021 REUTERS/Tom Nicholson

Royal National Lifeboat Institution (RNLI) members attend to a three-metre minke whale calf by the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

A ZSL London Zoo veterinarian is seen from behind a fence at the scene where a three-metre minke whale calf is in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

A ZSL London Zoo veterinarian is seen at the scene where a three-metre minke whale calf is in the River Thames, in London, Britain May 10, 2021 REUTERS/Tom Nicholson

People watch as Royal National Lifeboat Institution (RNLI) members attend to a three-metre minke whale calf by the River Thames, in London, Britain May 10, 2021 REUTERS/Tom Nicholson

Royal National Lifeboat Institution (RNLI) members attend to a three-metre minke whale calf by the River Thames, in London, Britain May 10, 2021 REUTERS/Tom Nicholson

Royal National Lifeboat Institution (RNLI) members attend to a three-metre minke whale calf in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

Royal National Lifeboat Institution (RNLI) members attend to a three-metre minke whale calf in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

Royal National Lifeboat Institution (RNLI) members attend to a three-metre minke whale calf in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

Royal National Lifeboat Institution (RNLI) members attend to a three-metre minke whale calf that had been found injured and beached on concrete, in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

A three-metre minke whale calf that had been found injured and beached on concrete, is seen in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

A three-metre minke whale calf that had been found injured and beached on concrete, is seen in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

A three-metre minke whale calf that had been found injured and beached on concrete, is seen in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

People watch a three-metre minke whale calf that had been found injured and beached on concrete, in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

A three-metre minke whale calf that had been found injured and beached on concrete, is seen in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

People watch as a boat of the Royal National Lifeboat Institution (RNLI) looks for a three-metre minke whale calf that had been found injured and beached on concrete in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

People watch as a boat of the Royal National Lifeboat Institution (RNLI) looks for a three-metre minke whale calf that had been found injured and beached on concrete in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

A three-metre minke whale calf that was found injured and beached on concrete is seen at Teddington Lock, in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

A three-metre minke whale calf that was found injured and beached on concrete is seen at Teddington Lock, in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

People stand near the place where a three-metre minke whale calf that had been found injured and beached on concrete is seen, at Teddington Lock, in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay

People stand near the place where a three-metre minke whale calf that had been found injured and beached on concrete is seen, at Teddington Lock, in the River Thames, in London, Britain May 10, 2021 REUTERS/Hannah Mckay