OUR FRIENDS THE BATS OF THE NAIROBI NATIONAL PARK Sometimes, there are times when we really slow down to look for the really small things. One morning as we drove slowly down the hill towards the hippo pools, I suddenly noticed a moment that at first, I thought was a bird, but as I looked again it was clear to me that birds do not roost upside down. Our reward came in the form of some bats, that were flushed out of their roosting tree by birds.