HOUSTON – Two Asian Elephants are preparing for their upcoming birth of their calves this spring at the Houston Zoo. Both mom-to-be elephants are mother and daughter, with 10-year-old Tupelo is up first ahead of her mother, 37-year-old Tess, zoo officials said. They will both give birth at the McNair Asian Elephant Habitat barn under veterinary supervision. Good morning from the elephant yard with mother and daughter Asian elephants, Tess and Tupelo. Posted by Houston Zoo on Wednesday, February 10, 2021Both elephant mothers are due to give birth in the spring and will undergo postnatal care and spend several days bonding behind the scenes.