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Table 2 Mean measurements (with SD) in mms of seven different features for 43 museum specimens

From: Molecular phylogeny, morphology and life-history comparisons within Circus cyaneus reveal the presence of two distinct evolutionary lineages

  C. c. hudsonius C. c. cyaneus
Male (n = 18) Female (n = 10) Male (n = 9) Female (n = 6)
Length 439 (21) 496 (29) 432 (17) 496.8 (34)
Wing (cord) 345 (7) 382 (15) 339 (8) 368 (12)
Tail length 229 (9) 260 (14) 231 (12) 258 (7)
Bill-nostril-tip 16.3 (0.5) 20.3 (3.4) 15.9 (0.75) 17.9 (0.9)
Bill-cere-tip 16.4 (0.9) 19.9 (0.98) 15.8 (0.84) 18 (0.8)
Bill depth 16.6 (0.1) 18.3 (0.98) 16.5 (1.3) 17.6 (0.6)
Tarsus 69.9 (4.1) 76.3 (5.6) 68.1 (3.2) 74.5 (1.5)
  1. A complete list of all the museum measurement data can be found in Additional file 6: S2