India, May 31 -- With temperature continuing to rise in Delhi, the National Zoological Park has introduced measures to help animals cope with the heat, said an official.

The measures include a two-shift rotation system and expanded cooling facilities such as pools, sprinklers and shaded shelters. The staff closely monitors animals during peak hours and flag any unusual behaviour to veterinary teams, said an official, requesting anonymity.

"The shifts have been divided into two parts -7 am to 1 pm and 1 pm onwards-to reduce prolonged heat exposure. Animals such as tigers, lions and bears are rotated in the enclosure so that they get sufficient access to cooling and shade. Water sprinklers and green mats have also been installed in severa...