Conjoined twins Angelica (C) and Angelina Sabuco (L) play with child life specialist Allison Brooks during a press conference at the Lucile Packard Children's Hospital at Stanford on October 31, 2011 in Palo Alto, California. Two year-old conjoined twins Angelica and Angelina Subaco who are connected at the chest and abdomen are preparing for separation surgery by Dr. Gary Hartman. The surgery will last between 6 and 8 hours that is followed by three hours of reconstructive surgery for each girl. (Photo by Justin Sullivan/Getty Images)

Twin baby panthers Remaong and Ferra cling to their basket while being presented to the media at Tierpark Berlin zoo on July 13, 2012 in Berlin, Germany. The two panthers were born in captivity on April 26. (Photo by Sean Gallup)

A polar bear plays with a pylon during celebrations marking its first birthday in an enclosure at Tierpark Hellabrunn zoo in Munich December 9, 2014. (Photo by Michaela Rehle/Reuters)

A woman poses with her twins before the Igboora World Twins Festival 2024, in Igbo-Ora on October 12, 2024. (Photo by Olympia de Maismont/AFP Photo)

A tamed hawk sits on a chair next to a participant during a traditional hunting contest in Almaty, Kazakhstan on December 1, 2018. (Photo by Pavel Mikheyev/Reuters)

Mohammed Abu Al-Qumsan, whose wife Jumann, and newborn twins Asser and Ayssel were killed in an Israeli strike while he was bringing the twins' birth certificates, according to medics, reacts as he holds the certificates, in Deir Al-Balah in the central Gaza Strip on August 13, 2024. (Photo by Abdullah Al-Attar/Reuters)

A hunter holds her tamed golden eagle during a traditional hunting contest near the village of Tole Bi in Almaty region, Kazakhstan on November 9, 2024. (Photo by Pavel Mikheyev/Reuters)

Polar bear twins make their first public appearance with their mother “Freedom” at Ouwehands Zoo Rhenen, in Rhenen, The Netherlands, 19 February 2015. The twins, who were born in November 2014, have not been named because their gender has not yet been determined. (Photo by Bart Maat/EPA)