Invasive Species
Invasive species on Alderney
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Notable Species
Notable species on Alderney
Key Habitats and Species
Key Habitats and Species
Key Species: Common Sole
The common sole is a flatfish of ecological and commercial importance and it is one of Alderney’s key species.
Common club-rush
The dark green, straight and spiky stems of common club-rush or 'bulrush' are a familiar wetland sight. They are ideal for weaving and were traditionally used to make baskets, seats and…
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…
Soft rush
As its name suggests, the smooth stems of soft rush are thinner and more flexible than those of hard rush. It forms tufts in wetland habitats like wet woodlands, marshes, ditches and grasslands.…
Key species: Northern Gannet
Since the gannets made landfall last week (6 February 2026), we’d love to draw more attention to this charismatic bird of Alderney.
Key species: Egg wrack
This week, we highlight egg wrack, a large brown seaweed on Alderney’s rocky shores.
Key Species: Common Pipistrelle
Learn more about the smallest and most common bat of Alderney
Flowering rush
Flowering rush is a pretty rush-like plant of shallow wetland habitats, such as ponds, canals and ditches. Its cup-shaped, pink flowers appear in summer, brightening up the water's edge.