Hoolock Gibbon

This World Wildlife Day, let’s protect forgotten species — because when the small ones vanish, the giants won’t be far behind.

The National Zoological Park in Delhi is home to many species of birds and animals. The harsh Delhi winter is hard for the inhabitants of the zoo. The caretakers here make every effort to make things comfortable for the animals so they can survive the cold temperatures. Here's a look at what they do to make this possible.