Key words: biometrics, morphometrics, petrel, shearwater, measurement error, precision, shrinkage
AINLEY, D.G. 1980. Geographic variation in Leach's Storm-Petrel. Auk 97: 837-853.
BAILEY, R.C. & BYRNES, J. 1990. A new, old method for assessing measurement error in both univariate and multivariate morphometric studies. Systematic Zoology 39: 124-130.
BJORDAL, H. 1983. Effects of deep freezing, freeze-drying and skinning on body dimensions of House Sparrows (Passer domesticus). Cinclus 6: 105-108.
BOURGEOIS, K., CURE', C., LEGRAND, J., GO'MEZ-DI'AZ, E., VIDAL, E., AUBIN, T. & MATHEVON, N. 2007. Morphological versus acoustic analysis: what is the most efficient method for sexing Yelkouan shearwaters Puffinus yelkouan? Journal of Ornithology 148: 261-269.
BRETAGNOLLE, V. & SHIRIHAI, H. 2010. A new taxon of Collared Petrel Pterodroma brevipes from the Banks Islands, Vanuatu. Bulletin of the British Ornithologists' Club 130: 286-301.
BULL, L.S., BELL, B.D. & PLEDGER, S. 2005. Patterns of size variation in the shearwater genus Puffinus. Marine Ornithology 33: 27-39.
CAMPHUYSEN, C.J. & VAN FRANEKER, J.A. 2007. Procellariidae: Petrels and shearwaters. Technical documents 4.1. In: CAMPHUYSEN, C.J., BAO, R., NIJKAMP, H. & HEUBECK, M. (Eds.) Handbook on Oil Impact Assessment. Version 1.0. European Oiled Wildlife Response Assistance (EUROWA). [Available online at: http://www.oiledwildlife.eu/. Accessed 6 April 2015].
CAREY, M.J. 2011. Sexual size dimorphism, within-pair comparisons and assortative mating in the short-tailed shearwater (Puffinus tenuirostris). Notornis 58: 8-16.
EINODER, L.D., PAGE, B. & GOLDSWORTHY, S.D. 2008. Sexual size dimorphism and assortative mating in the Short-tailed Shearwater Puffinus tenuirostris. Marine Ornithology 36: 167-173.
ENGELMOER, M., ROSELAAR, K, BOERE, G.C. & NIEBOER, E. 1983. Post-mortem changes in measurements of some waders. Ringing & Migration 4: 245-248.
EWINS, P.J. 1985. Variation of Black Guillemot wing lengths post-mortem and between measurers. Ringing and Migration 6: 115-117.
GENOVART, M., McMINN M. & BOWLER, D. 2003. A discriminant function for predicting sex in the Balearic shearwater. Waterbirds 26: 72-76.
GRANADEIRO, J.P. 1993. Variation in measurements of Cory's shearwater between populations and sexing by discriminant analysis. Ringing and Migration 14: 103-112.
GREEN, G.H. 1980. Decrease in wing length of skins of Ringed Plover and Dunlin. Ringing and Migration 3: 27-28.
GUICKING, D., FIEDLER, W., LEUTHER, C., SCHLATTER, R. & BECKER, P.H. 2004. Morphometrics of the pink-footed shearwater (Puffinus creatopus): influence of sex and breeding site. Journal for Ornithology 145: 64-68.
HARRIS, M.P. 1980. Post-mortem shrinkage of wing and bill of puffins. Ringing and Migration 3: 60-61.
HUTCHEON, J.A., CHIOLERO, A. & HANLEY, J.A. 2010. Random measurement error and regression dilution bias. BMJ 340: c2289.
IMBER, M.J. & TENNYSON, A.J.D. 2001. A new petrel species (Procellariidae) from the south-west Pacific. Emu 101: 123-127.
JENKINSON, M.A. & WOOD, D.S. 1985. Avian anatomical specimens: a geographic analysis of needs. Auk 102: 587-599.
KINSKY, F.C. & HARPER, P.C. 1968. Shrinkage of bill width in skins of some Pachyptila species. Ibis 110: 100-102.
KNOX, A. 1980. Post-mortem changes in wing-lengths and wing-formulae. Ringing and Migration 3: 29-31.
LOUGHEED, S.C., ARNOLD, T.W. & BAILEY, R.C. 1991. Measurement error of external and skeletal variables in birds and its effect on principal components. Auk 108: 432-436.
MARCHANT, S. & HIGGINS, P.J. 1990. Handbook of Australian, New Zealand and Antarctic Birds. Volume 1: Part A: Ratites to petrels. Melbourne, Australia: Oxford University Press.
McGRAW, K.O. & WONG, S.P. 1996. Forming inferences about some intraclass correlation coefficients. Psychological Methods 1: 30-46.
MEATHREL, C.E, BRADLEY, J.S., WOOLER, R.D. & SKIRA, I.J. 1993. The effect of parental condition on egg-size and reproductive success in Short-Tailed Shearwaters Puffinus tenuirostris. Oecologia 93: 162-164.
PETTIT, T.N., BYRD, G.V., WHITTOW, G.C. & SEKI, M.P. 1984. Growth of the Wedge-tailed Shearwater in the Hawaiian Islands. Auk 101: 103-109.
PIENKOWSKI, M.W. & MINTON, C.D.T. 1973. Wing length changes of the knot with age and time since moult. Bird Study 20: 63-68.
POWLESLAND, R.G. & IMBER, M.J. 1988. OSNZ Beach Patrol Scheme: information and instructions. Notornis 35: 143-153.
R CORE TEAM. 2013. R: A language and environment for statistical computing. Vienna, Austria: R Foundation for Statistical Computing. [Available online at: http://www.R-project. org/. Accessed 30 July 2013].
SPEAR, L.B. & AINLEY, D.G. 1998. Morphological differences relative to ecological segregation in petrels (family: Procellaridae) of the Southern Ocean and tropical Pacific. Auk 115: 1017-1033.
SPEARMAN, C. 1904. The proof and measurement of association between two things. American Journal of Psychology 15: 72-101.
THALMANN, S., BAKER, G.B., HINDELL, M., DOUBLE, M.C. & GALES, M. 2007. Using biometric measurements to determine gender of Flesh-footed Shearwaters, and their application as a tool in long-line by-catch management and ecological field studies. Emu 107: 231-238
WATSON, D.M. 2005. Diagnosable versus distinct: evaluating species limits in birds. BioScience 55: 60-68.
WICKHAM, H. 2009. ggplot2: Elegant Graphics for Data Analysis. New York: Springer.
WINKER, K. 1993. Specimen shrinkage in Tennessee Warblers and "Traill's" Flycatchers. Journal of Field Ornithology 64: 331-336.
WINKER, K. 1996. Specimen shrinkage versus evolution: I'iwi morphology. Conservation Biology 10: 657-658.
YEZERINAC, S.M., LOUGHEED, S.C. & HANDFORD, P. 1992. Measurement error and morphometric studies: statistical power and observer experience. Systematic Biology 41: 471-482