1898 Nile crocodile soaking up the heat

1899 The Rojowero river. You can just make out some submerged hippos in the right foreground

1900 Even the faster flowing parts of the Rojowero have a good population of crocodiles

1901 To the right of the Goliath heron is an African finfoot. This is the only photo I have of one of these secretive birds

1902 Female red-headed agama lizard

1903 Male red-headed agama lizard. Males display by nodding their heads up and down

A turtle sunbathing on a hippo's back

1905 Turtle at the side of a small stream

1906 Even small streams like this will support plenty of turtles

1907 At this time of year the Ura is a sand river

1908 The Ura river by Elsa's grave

1909 Large lizard, species unknown to me

1910 African rock python under a bush after having eaten an antelope whole

1911 The rock python stayed under the bush for three days after eating its meal

1912 A ford at one of the many rivers crossing the park. The rivers are vital in providing water all year round

1913 A tributary of the Murera river

1914 Nile monitors are often found on the river banks and are good swimmers

1915 Savannah monitors are often seen living in termite mounds or in trees

1916 Nile monitor

1917 The open sections of the Mulika river near the airstrip have high concentrations of game like these waterbuck along them

The Tana river at Adamson's falls. It rises in the Aberdares west of Nyeri and is Kenya's biggest river at 1000 kms long

1919 The Tana river is the hottest place I've ever visited

1920 A small gecko type lizard

1921 A tributary of the Bwatherongi river in the rhino sanctuary