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Berlin Zoo Reports Rare Hippo Twin Birth as Underweight Calf Is Monitored

Keepers are limiting access to support feeding, weight gain, early bonding.

Overview

  • Nala, a 13-year-old hippopotamus at Zoo Berlin, gave birth to twin males on September 28, with one calf dying shortly after birth.
  • The surviving newborn weighs about 28 kilograms, well below the roughly 40 kilograms typical for hippo calves at birth.
  • This is Nala’s first offspring, and she has separated from the group as is standard for the species in the early weeks.
  • The zoo shared first images and a limited public introduction on Tuesday, with broader viewing deferred until the calf is stronger and can safely join other hippos.
  • Zoo officials note twin hippo births occur in about one percent of recorded cases and emphasize ongoing monitoring as the species faces habitat pressures in the wild.