Walking tours of the city centre with a local guide are run by a number of agencies and include visits to the Parliament buildings, the Kenyatta International Conference Centre (KICC), Nairobi's signature building, and the city market. There is also a ride to the top of the KICC to admire the city's skyline and the views across the national park. Try East Africa Shuttles on Muindi Mbingu Street (tel: (020) 248 453; website: www.eastafricashuttles.com) or Let's Go Travel (website: www.lets-go-travel.net), which has offices on Standard Street (tel: (020) 213 033), Waiyaki Way (tel: (020) 444 1030) and in the Karen Shopping Centre (tel: (020) 882 168).

Nature Kenya (tel: (020) 374 9957; website: www.naturekenya.org) organises bird-watching walks from the National Museum once a week, when you can expect to see black kites, Marabou storks, sacred ibises, hornbills, bee-eaters and sunbirds.