THIS pair of quivering meerkat pups are so small that they easily fit into the palm of their keeper's hand. And though they are only 28-days old, brother and sister Zanzibar and Nairobi are already a huge hit with visitors to Taronga Zoo, in Sydney. They are the latest additions to the site's meerkat manor - and are the first pups to be born there for nine years. Meerkat keeper Bobby-Jo Vial said: 'I'm extremely thrilled, I'm over the moon, I've been waiting for this for quite a long time now. 'They make me very clucky - Mamma Meerkat, that's me. 'They're already eating solid foods and displaying behaviours similar to adults. They're very precocious.' Nairobi and her brother Zanzibar are part of nine-strong family at the zoo and weighed around 40 grams at birth. They will weigh about one kilogram (2.2lb) when fully grown. The pups still spend most of their day living underground in extensive burrows so visitors have to patiently wait to spot them. " Daily Mail