India, June 16 -- A 15-year-old male gaur at the Delhi zoo died in the early hours of Sunday due to age-related complications, officials said. The animal had been brought to Delhi from Mysore Zoo in 2014 and was under close observation for the past few days inside an enclosure meant for animals under treatment.

"The animal was being kept in the care cell and monitored by our veterinary team. It passed away due to natural causes associated with old age. The gaur had made a significant contribution to the breeding of the species here. Around 75% of the 15 gaurs currently at the Delhi Zoo are his progeny," Sanjeet Kumar, Delhi zoo director, said.

Kumar added that samples from the deceased animal have been sent to the Indian Veterinary Rese...