Covid, a Bengal tiger cub, named after the coronavirus disease (COVID-19) outbreak, is pictured at the zoo in Cordoba, Veracruz, Mexico March 25, 2020. The Bengal tiger was born on March 14 to Biozoo, in the city of Cordoba, which specializes in rescuing animals from circuses and exotic private collections. REUTERS/Sofia Dorantes

Covid, a Bengal tiger cub, named after the coronavirus disease (COVID-19) outbreak, is pictured at the zoo in Cordoba, Veracruz, Mexico March 25, 2020. The rare birth of this feisty, resilient little tiger is bringing a glimmer of hope to a private zoo in eastern Mexico. REUTERS/Sofia Dorantes

Covid, a Bengal tiger cub, named after the coronavirus disease (COVID-19) outbreak, is pictured at the zoo in Cordoba, Veracruz, Mexico March 25, 2020. The baby tiger was born to an 8-year-old tigress that had been in a circus and was nursed back to health after needing an operation for a hip fracture. RUTERS/Sofia Dorantes

Covid, a Bengal tiger cub, named after the coronavirus disease (COVID-19) outbreak, is pictured at the zoo in Cordoba, Veracruz, Mexico March 25, 2020. REUTERS/Sofia Dorantes

Covid, a Bengal tiger cub, named after the coronavirus disease (COVID-19) outbreak, is pictured at the zoo in Cordoba, Veracruz, Mexico March 25, 2020. REUTERS/Sofia Dorantes