The Apple iPhone and iPod Touch share a stunning large touch-sensitive display that provides bright and vivid video playback in the field. With built-in mobile speaker, mobile internet access and GPS, and with innovative software from BirdGuides, these devices are rapidly become a 'must-have' in the field.

Butterflies of Britain and Ireland

A fantastic resource to have in the field, this handy guide provides comprehensive coverage of all 61 butterfly species that regularly occur in Britain and Ireland (including the recently split Réal's Wood White).

• annotated illustrations by naturalist Richard Lewington
• comprehensive collection of still photographs including larval and pupal stages
• distribution maps with latest data
• flight time charts (phenograms)
• detailed reference text for every species on all aspects of its biology

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