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.
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Two Little Owl chicks sitting on a branch. Credit: Hilary Chambers
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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…
Brown hairstreak
The brown hairstreak is an elusive butterfly that spends much of its time in the treetops feeding on aphid honeydew.
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.
Send a 'letter to the Editor'
Sending letters 'to the Editor' of local newspapers is another great way to speak up for wildlife.
Hedgehog Survey
Help us understand how hedgehogs are faring across our region!
Hedgehog Survey Results 2024
This is the first year Durham Wildlife Trust has asked for your help in surveying hedgehogs across our patch. Over one hundred people took the time to report sightings; here’s what we learned…
Schools get stuck in to River Wear litter survey
In the last few weeks local schools have been getting involved with our River Wear Plastics Project.
Small white
The small white is a common garden visitor. It is smaller than the similar large white, and has less black on its wingtips.
Water vole surveys
Help Durham Wildlife Trust's work for wildlife by becoming a water vole survey volunteer.
Protected Species Surveys
Durham Wildlife Services is the consultancy arm of Durham Wildlife Trust. It has extensive experience in survey, assessment, mitigation and habitat creation and management to benefit protected species, which ensures that your project is efficiently delivered with no impacts on wildlife.