- ...]] and the Straits of Gibraltar in Europe, or the Nile Valley and the Rift Valley in Africa. Waders, raptors and storks are examples of the type of birds tha ...ther, but it can also occur over short distances when a birds moves down a valley to escape the worst of the snow. [[Grey Cuckooshrike]], [[Bush Blackcap]],110 KB (15,161 words) - 02:01, 20 April 2024