The biodiversity of Cornwall and Devon is remarkably rich thanks to a unique combination of geological variation, a mild oceanic climate, and centuries of small-scale land use.
The mix of wet and dry, acidic and calcareous, open and enclosed landscapes creates an exceptional variety of habitats for plants and animals.
Elements such as hedgerows, grasslands, estuaries, and even abandoned mining areas each contribute in their own way to this ecological diversity.
The granite regions, such as those of Dartmoor and Bodmin Moor, have poor, acidic, and stony soils. Unique ecosystems have developed here, featuring rare heathland vegetation, mosses, and lichens. In these rugged areas, species have adapted to the open, windy, and humid climate, such as the Dartmoor pony and various unusual insect species. In Dartmoor, it is not uncommon to encounter ponies, sheep, and horses on the road.
Devon is home to some of the oldest woodlands in England. An example is Whistman’s Wood, an ancient forest that has existed almost continuously for about 7,000 years. The biodiversity in these old forests is rich, with a wealth of plants, insects, birds, and mammals.
Along the coast of Cornwall and Devon, the alternation of steep cliffs, sandy beaches, dunes, and tidal zones creates a dynamic ecosystem. Seabirds such as guillemots and razorbills nest on the cliffs, while rock pools and tidal pools provide shelter for countless marine creatures. The estuaries of rivers like the Dart and the Exe are of great importance as stopover sites for migratory birds and as wintering habitats for several species. Otters are also slowly returning here, thanks in part to cleaner waterways and the restoration of natural riverbanks.
In the wooded parts of Devon, various bat species live, including the rare grey long-eared bat. Hedgerows and flower-rich meadows provide shelter for hedgehogs, foxes, and polecats. These species are still common here due to the preservation of the traditional landscape.