Nairobi Park on Friday we had a Black Stork, 4 Black Crowned Night Heron, Purple Heron, Western Marsh Harrier, Common (Steppe) Buzzard, Lanner Falcon, Steppe Eagle. 2 Secretary Birds about 10 White Backed Vulture, An adult Martial Eagle carrying nesting material and a juvenile some distance away sitting for a long while on the ground amongst some unfazed Kongoni.Other migrants were Whinchat, Isabeline wha=eatear, Red-tailed shrike, Blackcap, Olivaceous and Garden Warblers, and a Common Nightingale.