The figure shows that the index population of wild birds from 1970-2004 has different number from each other species. The number of wild birds who still alive such as coastal species around 140, all species around 110, woodland around 90, and farmland around 60 species.
Coastal Species rising dramatically from 1970 to 1986 meanwhile after 1986 to 2024 remind stable. In other hand, Woodland species have positive trend from 1970 to 1977, but after 1977 to 2004 continually decrease. Therefore, Farmland species have positive trend from 1970 to 1977, and after 1977 to 2004 dramatically decrease.
Despite of the number of coastal species is the most high population compared to other species, however the number of coastal species are only 20 species from 1970-2004. Meanwhile, Woodland spices have the higher number of species with 33 species in total, even though the population is below the standard of other species. In addition, Farmland species that has minimum species with total 19 species, also minimum population that life endangered.
To sum up, the population of all species in United Kingdom tends to be Stabil from 1970 to 2024. However, coastal species remind increase each year, and woodland species and farmland species decrease.