Key Species: Common Sole
The common sole is a flatfish of ecological and commercial importance and it is one of Alderney’s key species.
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Common box
Common box grows in woodlands and scrub in southern England, with notable populations in the Chilterns, Cotswolds and North Downs. A familiar evergreen tree, it has shiny, dark green, oval leaves…
Key Species: Common Pipistrelle
Learn more about the smallest and most common bat of Alderney
Invasive Species
Invasive species on Alderney
Notable Species
Notable species on Alderney
Key Habitats and Species
Key Habitats and Species
Common seal
The smaller of our two UK seal species, common seals are also known as harbour seals. Despite being called "Common", they are actually less common than grey seals!
Key species: House Martin
A high flier that visits Alderney in spring and autumn. Discover where and when it can be spotted, and why it is a key species of the island.
Key species: Slow worm
Learn more about this unique species, the only reptile found on Alderney. Despite its misleading name, it’s actually a harmless legless lizard that is often mistaken for a snake because of its…
Common walnut
The common walnut tree produces a large, brown nut that is familiar to so many of us. It is an introduced species in the UK, found in towns, gardens and parks.
Common reed
The extensive, golden-brown reedbeds that are formed by stands of Common reed are a familiar sight in our wetlands. They provide an important home for many species, including the rare Bittern.
Common butterwort
The carnivorous lifestyle of common butterwort makes this heathland plant a fascinating species. Its leaves excrete a sticky fluid that tempts unsuspecting insects to land and become its prey.