Delhi Zoo: National Zoological Park in Delhi

New Delhi: A Royal Bengal Tiger yawns at its enclosure inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: A Royal Bengal Tiger at its enclosure inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: A Peacock flutters its wings as it enjoyes the rainy weather inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: A Peacock dances as it enjoyes the rainy weather inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: A pair of Asiatic Lions in their enclosdure inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: A Purple Sun Bird pecking on a flower inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: Monkey feeding her baby at the Delhi zoo on Sunday. (Image: PTI)

New Delhi: A White Tiger yawns in its enclosdure inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: A Brown fish Owl at its cage inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: Rosy Pelicans with their catch at a pond inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: Rosy Pelicans at a pond inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: Rosy Pelicans at a pond inside the Delhi zoo on Sunday. (Image: PTI)

New Delhi: Painted storks inside Delhi Zoo. (Image: PTI)

New Delhi: A deer feeds its newly born baby at the Delhi Zoo. (Image: PTI)

New Delhi: A peacock flies at the Delhi Zoo. (Image: PTI)