@techreport{Eaton M.-2011-4867,
  author = {Eaton M and Balmer, D and Cuthbert, R and Grice, P and Hall, J and Hearn, R and Holt, C and Musgrove, A and Noble, D and Parsons, M and Risely, K and Stroud, D and Wotton, S},
  title = {The State of the UK's Birds 2011},
  institution = {British Trust for Ornithology (BTO)},
  year = {2011},
  month = {nov},
  url = {http://ww2.rspb.org.uk/Images/sukbs2011_tcm9-298041.pdf},
  keywords = {Shorebirds, Seabirds, Passerines, Ground-Nesting Birds, Birds},
}