Critically endangered cotton-top tamarin monkey born at UK zoo(1/4)

A cotton top tamarin infants clings to its parent at Chester Zoo, the United Kingdom, April 13, 2022. The baby monkey measured 10 centimeters and weighed 40 grams at birth. Cotton-top tamarins are listed as critically endangered by the International Union of Conservation and Nature's Red List, and only an estimated 2,000 exist in the wild.(Photo/VCG)

A cotton top tamarin infants clings to its parent at Chester Zoo, the United Kingdom, April 13, 2022. The baby monkey measured 10 centimeters and weighed 40 grams at birth. Cotton-top tamarins are listed as critically endangered by the International Union of Conservation and Nature's Red List, and only an estimated 2,000 exist in the wild.(Photo/VCG)

A cotton top tamarin infants clings to its parent at Chester Zoo, the United Kingdom, April 13, 2022. The baby monkey measured 10 centimeters and weighed 40 grams at birth. Cotton-top tamarins are listed as critically endangered by the International Union of Conservation and Nature's Red List, and only an estimated 2,000 exist in the wild.(Photo/VCG)

A cotton top tamarin infants clings to its parent at Chester Zoo, the United Kingdom, April 13, 2022. The baby monkey measured 10 centimeters and weighed 40 grams at birth. Cotton-top tamarins are listed as critically endangered by the International Union of Conservation and Nature's Red List, and only an estimated 2,000 exist in the wild.(Photo/VCG)