A family take a souvenir picture next to giant male panda Xiao Liwu, who was born at the San Diego Zoo and will be repatriated to China with his mother Bai Yun, bringing an end to a 23-year-long panda research program in San Diego, California, U.S., April 18, 2019. (Photo by Mike Blake/Reuters)

A newly born Sitatunga calf seen at ZSL Whipsnade Zoo on November 24, 2016 in Whipsnade, England. The swamp-dwelling species, also known as a marshbuck, is Africa's only true amphibious antelope. It was snuggled up in the leaves and almost perfectly camouflaged as it mother tended it. (Photo by Tony Margiocchi/Barcroft Images)

Baby giraffe of Niger (Giraffa Camelopardalis) “Kenai” (R), born on August 25, 2016, kisses his mother “Dioni” on August 31, 2016 at the zoo of La Fleche, northwestern France. (Photo by Jean-Francois Monier/AFP Photo)

A mother bear acting as a taxi for her cubs and they jump on for a piggyback. Two sloth bear cubs fighting for the best place on mum's back as she carries them across Coonoor, India in July 2022. (Photo by Ranganathan Vasudevan/Media Drum Images)

Lourdes Leon dares to bare just like her superstar mother Madonna as she stars in a new Dion Lee campaign on August 2, 2023. Stunning Lourdes, also known as Lola, poses in nothing but boots and handbags for the fashion brand's new Cage Chain collection. (Photo by Carlota Guerrero/Dion Lee/The Mega Agency)

A lynx cub that followed a villager in the forest, is fed by a mother and her son for 2 days at the Koyulhisar district of Sivas, Turkiye on October 4, 2023. After 2 days, the lynx cub was taken under protection by the Sivas Department of Nature Conservation and National Parks teams. (Photo by Serhat Zafer/Anadolu Agency via Getty Images)

Palestinian mother Esma Zuhd cries after her children, Jahan and Ahmed Nasser who died after an Israeli attack at the Nuseirat Refugee Camp in Deir Al-Balah, Gaza on December 29, 2023. (Photo by Ashraf Amra/Anadolu via Getty Images)

The First U.S. Spacewalk – Gemini 4 Ed White made the United States' first spacewalk on June 3, 1965 during the Gemini 4 mission. The extra-vehicular activity (EVA) started at 19:45 UT (3:45 p.m. EDT) on the third orbit when White opened his hatch and used the hand-held manuevering oxygen-jet gun to push himself out of the capsule. (Photo by NASA)