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Measurements
See Appendix . Sexual dimorphism in size; females larger. Differences in size between females (treated as 100%) and males are: wing length: -1.9%; culmen: -8.4%; tarsus: -2.8%; mass: -4.9%. All differences are about half as great as in Long-billed Dowitcher (Pitelka 1950; see also Jehl and Murray 1986). Clinal increase in body size from east to west. Percentage differences between females of griseus (smallest) and other races (Pitelka 1950):
Mass
Body mass highly variable depending on stage of annual cycle (Fig. 2). In fall migrants (adults) from coastal New Jersey (JRJ; see also Jehl 1963):
Griseus females (n = 27) 82.5–153.6 g. Griseus males (n = 10) 80.9–153 g. Hendersoni females (n = 3) 114–121 g. Hendersoni males (n = 7) 73.6–129 g.
See McNeil 1969 for weight of spring migrants in Venezuela and McNeil 1970 (P. 261, Fig. 21) for weight of fall migrants in Venezuela. See also Migration: control and physiology, above.
Jehl, Jr., Joseph R., Joanna Klima and Ross E. Harris. 2001. Short-billed Dowitcher (Limnodromus griseus), 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/564
