Yes another awe inspiring place Tom, have been a couple of times and it never seems to lose it's impact.
Time for a yellow bird. There are many types of weaver and a lot of the species are yellow. You see a lot of them in African countries and it can be very hard to distinguish different species. Not only do they tend to be colourful, they also - clue in the name - are brilliant nest builders. This is a Speke's Weaver.
We have a few birds in the UK that have yellow in their plumage. There is more than one reason for liking a Yellowhammer...