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Measurements
Linear
Appendix . No significant regional differences in linear measurements; females have significantly longer wings than males; juveniles similar to adults after Sep (Cramp and Simmons 1983).
Mass
Mass of nonbreeding birds varies with time of year, with the lowest in late Jul (mean 68.1 g ± 11.9 SD; n = 5) and highest in May and early Jun (mean 86.4 g ± 9.1 SD; n = 8) (measurements based on 210 birds from Lesser Antilles, n. South America, and Panama; unsexed specimens with ages combined; Cramp and Simmons 1983). No significant sex differences in mass of breeding birds; males averaged 82.9 g ± 5.8 SD (n = 37) and females averaged 85.2 g ± 5.7 SD (n = 32; data from Alaska in Jun; TLT unpubl.).
Tibbitts, T. Lee and William Moskoff. 1999. Lesser Yellowlegs (Tringa flavipes), The Birds of North America Online (A. Poole, Ed.). Ithaca: Cornell Lab of Ornithology; Retrieved from the Birds of North America Online: http://bna.birds.cornell.edu/bna/species/427
