Sacramento Zoo officials say a female Sumatran tiger was killed Wednesday by her mating partner after the two were put in the same enclosure for breeding.
The zoo says in a statement that the male tiger became aggressive with 15-year-old Baha minutes after a physical introduction Wednesday morning.
Since arriving at the zoo in December 2015, the 12-year-old Mohan had had visual contact with Baha, zoo officials said. Staff decided to physically introduce the tigers on Wednesday.
Baha had been at the Sacramento Zoo since 2002 and had successfully bred with three other partners, giving birth to five offspring.