The Chilterns are a great place to see butterflies. The Duke of Burgundy and the Chalkhill Blue are just two of the more unusual species that favour the unimproved chalk grasslands.
They can, however, be quite difficult to identify. For that you need a long lens and a lot of patience.
![Duke of Burgundy Butterfly at Ivinghoe Beacon in the Chilterns](http://chilternsblog.co.uk/wp-content/uploads/Duke-of-Burgundy.jpg)
![Green Hairstreak](http://chilternsblog.co.uk/wp-content/uploads/Green-Hairstreak-Butterfly.jpg)
![Holly Blue](http://chilternsblog.co.uk/wp-content/uploads/Holly-Blue-Butterfly.jpg)
![Common Blue](http://chilternsblog.co.uk/wp-content/uploads/Common-Blue.jpg)
![Small Blue](http://chilternsblog.co.uk/wp-content/uploads/Small-Blue.jpg)
![Chalkhill Blue](http://chilternsblog.co.uk/wp-content/uploads/Chalkhill-Blue.jpg)
![Brown Argus](http://chilternsblog.co.uk/wp-content/uploads/Brown-Argus.jpg)
![Brimstone](http://chilternsblog.co.uk/wp-content/uploads/Brimstone.jpg)
![Small White](http://chilternsblog.co.uk/wp-content/uploads/Small-White-1.jpg)
![Green Veined White](http://chilternsblog.co.uk/wp-content/uploads/Green-Veined-White.jpg)
![Marbled White](http://chilternsblog.co.uk/wp-content/uploads/Marbled-White.jpg)
![Small Heath](http://chilternsblog.co.uk/wp-content/uploads/Small-Heath.jpg)
![Meadow Brown](http://chilternsblog.co.uk/wp-content/uploads/Meadow-Brown-1.jpg)
![Gatekeeper](http://chilternsblog.co.uk/wp-content/uploads/Gatekeeper.jpg)
![Small Copper](http://chilternsblog.co.uk/wp-content/uploads/Small-Copper.jpg)
![Speckled Wood](http://chilternsblog.co.uk/wp-content/uploads/Speckled-Wood.jpg)
![Ringlet](http://chilternsblog.co.uk/wp-content/uploads/Ringlet.jpg)
![Peacock Butterfly](http://chilternsblog.co.uk/wp-content/uploads/Peacock.jpg)
![Red Admiral](http://chilternsblog.co.uk/wp-content/uploads/Red-Admiral.jpg)
![Small Tortoiseshell](http://chilternsblog.co.uk/wp-content/uploads/Small-Tortoiseshell.jpg)
![Painted Lady](http://chilternsblog.co.uk/wp-content/uploads/Painted-Lady.jpg)
![Comma](http://chilternsblog.co.uk/wp-content/uploads/Comma.jpg)
![Dark Green Fritillary](http://chilternsblog.co.uk/wp-content/uploads/Dark-Green-Fritillary.jpg)
![Silver Washed Fritillary](http://chilternsblog.co.uk/wp-content/uploads/Silver-Washed-Fritillary.jpg)
![Grizzled Skipper](http://chilternsblog.co.uk/wp-content/uploads/Grizzled-Skipper.jpg)
![Dingy Skipper](http://chilternsblog.co.uk/wp-content/uploads/Dingy-Skipper.jpg)
![Small Skipper](http://chilternsblog.co.uk/wp-content/uploads/Small-Skipper.jpg)
![Large Skipper](http://chilternsblog.co.uk/wp-content/uploads/Large-Skipper.jpg)