This specimen at the American Museum of Natural History in New York is believed to be a hybrid between Columbian and woolly mammoths. Photo: Ryan Somma
Ivory from woolly mammoth tusks has been used for various creations for centuries. Getty Images
A skull of a woolly mammoth discovered by fishermen in May 1999 in the Netherlands. Photo: Celtic and Prehistoric Museum
A woolly calf displayed at the Royal British Columbia Museum. Photo: Ruth Hartnup
This artefact made from woolly mammoth ivory called the Lion-Man was found in the Hohlenstein-Stadel Cave, Germany. Photo: Dagmar Hollmann
A mammoth tusk with carvings made in the 19th century in Yukon, Alaska, on display at the De Young Museum in San Francisco, California. Photo: BrokenSphere
Venus of Brassempouy, a carving from mammoth ivory, on display at the Musee d'Archeologie Nationale in Saint-Germain-en-Laye, France. Photo: Dagmar Hollman
A frozen calf named Yuka. Photo: Cyclonaut
The Berezovka mammoth during excavation in 1901. Photo: Museum of Zoology in St Petersburg
A model of the Berezovka mammoth partially covered by its skin at the Museum of Zoology in St Petersburg, Russia. Photo: Andrew Butko
A leg with the skin and fur of a mammoth on display at the Museum of Natural History in Paris, France. Photo: Matt Mechtley
A close-up of preserved woolly mammoth fur on display at the Natural History Museum in Vienna, Austria. Photo: Tommy Arad
A recreation of a woolly mammoth at the Royal Victoria Museum, Victoria, British Columbia, Canada. Photo: Thomas Quine
Mammoth remains on display at the Siegsdorf Natural History and Mammoth Museum in Siegsdorf, Germany. Photo: Lou Gruber
A cast of remains at the State Museum of Natural History in Stuttgart, Germany. Photo: Ghedoghedo
The image depicts a late Pleistocene landscape in northern Spain with woolly mammoths, equids, a woolly rhinoceros and European cave lions with a reindeer carcass. Photo: Mauricio Anton
A woolly mammoth skull from Bzianka, Poland, with one downward spiralling tusk. Photo: Henryk Ferdynand Hoyer
A mammoth molar featured in a display of artefacts at the Georges-Garret Museum in Vesoul, France. Photo: Remi Mathis
In 2015, a 15,000-year-old woolly mammoth was unveiled at Marina Mall in Abu Dhabi. Delores Johnson / The National
The woolly mammoth was roughly the same size as modern African elephants. Delores Johnson / The National
The woolly mammoth coexisted alongside early humans. This one lives in a mall. Delores Johnson / The National
Miners in the Klondike gold fields of Canada's far north discovered the mummified remains of a baby woolly mammoth. Government of Yukon / AFP
While some scientists are trying to bring the woolly mammoth back, others have studied how using gene editing can resurrect extinct animals such as the Christmas Island rat. Getty Images / AFP
The team found they could reconstruct 95 per cent of the Christmas Island rat genome. Getty Images / AFP
Climate change, not humans, caused the extinction of woolly mammoths. PA
When icebergs melted, it became too wet for the mammoths to survive because their food source was wiped out. PA
Giant bronze sculptures of mammoths on display during the World Biathlon Championships in the Siberian city of Khanty-Mansiysk. AFP
An imagined woolly mammoth on display at the University of Alaska Museum of the North in Fairbanks, Alaska. The Havens Studio / Reuters
Mat Wooller, director of the Alaska Stable Isotope Facility, kneels among a collection of mammoth tusks at the University of Alaska Museum of the North. University of Alaska Fairbanks / AFP
These woolly mammoth remains are a huge attraction at the Marina Mall in Abu Dhabi. Delores Johnson / The National
A gilded woolly mammoth skeleton was created to benefit the amfAR Cinema Against Aids in Cap d’Antibes, southern France. Prudence Cuming Associates / Damien Hirst / AP