Wildlife photographer Danté Fenolio has headed into areas untouched by sunlight – deep seas, caves and underground – and found creatures that are exploding with colour. Here: The golden harlequin toad has vanished from the wild, and only a small number live on in captivity. A fungus caused them, and many other amphibians, to die out in their home in Central America. (Photo by Danté Fenolio/The Guardian/Johns Hopkins University Press)

A three-day-old Bengal tiger calf is cared for after being fed at the National Zoo in Masaya on August 30, 2021. A female Bengal tiger calf was born in the National Zoo of Nicaragua, the fourth of this species in risk of extinction born in captivity in the country, and is under special care due to a limited breastfeeding capacity of the mother. (Photo by Inti Ocon/AFP Photo)

A picture taken on June 3, 2022 shows a unique albinos Galapagos giant tortoise baby, born on May 1, at the Tropicarium of Servion, western Switzerland. Albinos Galapagos tortoises have never been observed in captivity or in the nature. The Galapagos giant tortoises are strictly protected and are among the most endangered species among CITES-listed animals. (Photo by Fabrice Coffrini/AFP Photo)

It's a 30-day-old Echidna baby, known as a “puggle” – one of only 24 ever bred in captivity. The proud parents are Tippy and Pickle of Australia Zoo. The tiny baby, whose s*x has not yet been identified, hatched from a soft egg and will continue to develop and nurse inside Tippy's warm pouch. (Photo by Australia Zoo/Rex/Sipa Press)

A one month old Turquoise colored Green Veiled Chameleon perches on a finger in the Cardin's Chameleons boothat Repticon 2014 Sunday, August 3, 2014 in Jacksonville, Fla. The vendor specializes in captive bred and born Veiled Chameleons and this particular specimen cost $40.00. The Repticon reptile and Exotic Animal show made its stop in Jacksonville over Saturday and Sunday offering a variety of cold blooded critters and related supplies for sale at the University Center on the University of North Florida campus. The show, which travels nationally stops in Jacksonville several times a year according to event vendor team leader Patty Healey. (Photo by Bob Self/AP Photo/The Florida Times-Union)

In the 1970′s, actress and model Tippi Hedren (mother of actress Melanie Griffith) created the Shambala Preserve after producing the film Roar. The preserve rescued exotic big cats living in captivity that had been abused or were in need of help, one of which the family created a close bond with. Neil the lion lived with the family in their home, and played an active role in the day to day activities of the preserve.

A rare white kiwi chick is seen only days after being hatched on May 22, 2011 in Wellington, New Zealand. The all-white kiwi, named “Manukura” is suspected to be the first white chick born in captivity. The chick is the thirteenth of fourteen baby kiwis hatched at the wildlife centre this season. (Photo by Mike Heydon/Jet Productions NZ Limited via Getty Images)

A Siberian tiger cub is seen at the Hengdaohezi Breeding Center for Felidae on October 26, 2007 in Harbin of Heilongjiang Province, China. Established in 1986, the breeding center is one of the world's largest captive breeding base for Siberian tigers. Distributed throughout northeastern China, far eastern Russia and North Korea, over 400 Siberian tigers exist in the wild, approximately 20 in China. (Photo by China Photos/Getty Images)