west Europe: brood, age and colony related effects. Bulletin of Environmental Contamination and Toxicology 74: 177-184.
Thompson DR, Furness RW (1989) Comparison of the levels of total and organic mercury in seabird feathers. Marine Pollution Bulletin 20: 577-579.
Thompson DR, Bearhop S, Speakman JR, Furness RW (1998) Feathers as a means of monitoring mercury in seabirds: insights from stable isotope analysis. Environmental Pollution 101: 193-200.
Tree AJ (2005) The known history and movements of the Roseate Tern sterna dougallii in South Africa and the western Indian Ocean. Mar Ornithol 33: 41-47.
Tree AJ, Klages NTW (2003) Status, biometrics and possible relationships of the South African population of roseate terns. Ostrich 74: 74-80.
Tyzack SM, Volcere O (1986) The Roseate Tern Sterna dougallii on Aride island, Seychelles: notes on the 1984 season. Scopus 10: 45-47.
Valle CA, De Vries T, Hernandez C (2006) Plumage and sexual maturation in the great frigatebird Fregata minor in the Galapagos Islands. Marine Ornithology 34: 51- 59.
Vander Zanden MJ, Rasmussen JB (2001) Variations in δ15N and δ13C trophic fractionation: implications for aquatic food web studies. Limnology and Oceanography 46: 2061-2066.
Vargas FH, Harisson S, Rea S, MacDonald DW (2006) Biological effects of El Niño on the Galapagos penguin. Biol Conserv 127:107–114.
Warman SR (1979) The roseate tern Sterna dougallii aridensis on Aride Island, Seychelles. Bull Br Ornithol Club 99: 124-128.