Flora and Fauna e to each of its four parts of the British Isles 1. The warm and wet elimate of Great Britain is very good for plants. That's why the country looka like a big beautiful .Centuries ago there were a lot of foresta in the British Isles, but now garden. you can find big foresta only in a few parts of the country- the north of Scotland and the southeast and southwest of England. The most com- mon trees in England are onks, elma and beeches while Scotland han a lot of pines, firs and birches. 2. The fauna, or animal life in the British Isles is like in the northwest of Europe.