A white rhinoceros named Karen Peles walks with her second calf, a 3-week old female, at the Safari Zoo in Ramat Gan, Israel, on Jan. 21, 2019. The zoo said on Monday morning that the southern white rhinoceros was born on December 30. (Xinhua/Gideon Markowicz-JINI)

A white rhinoceros named Karen Peles walks with her second calf, a 3-week old female, at the Safari Zoo in Ramat Gan, Israel, on Jan. 21, 2019. The zoo said on Monday morning that the southern white rhinoceros was born on December 30. (Xinhua/Gideon Markowicz-JINI)

A white rhinoceros named Karen Peles walks with her second calf, a 3-week old female, at the Safari Zoo in Ramat Gan, Israel, on Jan. 21, 2019. The zoo said on Monday morning that the southern white rhinoceros was born on December 30. (Xinhua/Gideon Markowicz-JINI)

A white rhinoceros named Karen Peles walks with her second calf, a 3-week old female, at the Safari Zoo in Ramat Gan, Israel, on Jan. 21, 2019. The zoo said on Monday morning that the southern white rhinoceros was born on December 30. (Xinhua/Gideon Markowicz-JINI)

A white rhinoceros named Karen Peles walks with her second calf, a 3-week old female, at the Safari Zoo in Ramat Gan, Israel, on Jan. 21, 2019. The zoo said on Monday morning that the southern white rhinoceros was born on December 30. (Xinhua/Gideon Markowicz-JINI)

A white rhinoceros named Karen Peles walks with her second calf, a 3-week old female, at the Safari Zoo in Ramat Gan, Israel, on Jan. 21, 2019. The zoo said on Monday morning that the southern white rhinoceros was born on December 30. (Xinhua/Gideon Markowicz-JINI)