Brown hairstreak
The brown hairstreak is an elusive butterfly that spends much of its time in the treetops feeding on aphid honeydew.
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Black hairstreak
The black hairstreak is a rare butterfly that is restricted to woodlands and hedgerows containing blackthorn - the foodplant of the caterpillar. It is both elusive and hard to tell apart from…
Invertebrates
Fen habitats can support thousands of invertebrate species, particularly those associated with standing water.
Purple hairstreak
The Purple hairstreak is an elusive butterfly with a brilliant purple sheen. It is entirely reliant on oak trees and can be spotted chasing around the treetops in woodlands and parks.
Green hairstreak
The green hairstreak is the UK's only green butterfly. Look out for the vibrant, metallic sheen of the undersides of its wings on grassland and moorland, and along woodland rides.
White-letter hairstreak
The white-letter hairstreak gets its name from the white lines that form a 'W' shape on its underside. It is an elusive butterfly, spending much of its time in the treetops.
Wildlife
The Great Fen is a fantastic place to see all kind of wildlife, plants and stunning scenery.
Explore
In all weathers and seasons, the Great Fen is a place to enjoy stunning wildlife, beautiful landscapes and a wide range of events and activities.
How to attract butterflies to your garden
Provide food for caterpillars and choose nectar-rich plants for butterflies and you’ll have a colourful, fluttering display in your garden for many months.
Wildlife Watch
Each session is packed full of activities to connect children with the natural world and the great outdoors.
Wildlife highlights this summer
Merging natural history, ecological monitoring and wildlife conservation has provided some new 'shared' highlights at the Great Fen this summer.
Help wildlife in the cold
The colder months can be a tough time for wildlife, food is scarce and hibernators are looking for shelter. That's why we’ve put together our top tips for maintaining your garden for wildlife…