Black Legged Kittiwake, rissa tridactyla, landing amongst fragments of sea ice Kongsfjord, Svalbard. Kittiwake populations have been under pressure in recent years, as changes to food sources, possibly caused by climate change and other environmental factors, have forced the birds to travel further, for longer, to get food.
Writer, photographer, environmental campaigner and "known troublemaker" Dave Walsh is the founder of Blather.net, described both as "possibly the most arrogant and depraved website to be found either side of the majestic Shannon River", and "the nicest website circulating in Ireland". Half Irishman, half-bicycle. He lives in southern Irish city of Barcelona.