I fancied a day out birding somewhere between Christmas and the new year and with nothing on my twitching radar I decided to try and photograph Water Rails at Slimbridge. The Water Rail, Rallus aquaticus , is, surprise surprise, a member of the rail family, a worldwide genus mainly associated with wetlands but they also occupying many other terrestrial low lying habitats. In the UK the Water Rail is a common but highly secretive bird, particularly in the breeding season when it is more often heard than seen. It prefers to sulk deep in the wetland undergrowth rather than come out into the open. It has a very distinctive call often said to resemble a squealing pig. It has some similarities to its common Moorhen cousin but is smaller and slimmer. It is an attractive and charismatic bird with chestnut-brown and black upperparts, a grey face and underparts, black-and-white barred flanks, and a long red bill. To my eyes at least, its facial expression makes it look rather an...