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Table 2 External measurements (mm) of Gyps indicus and G. tenuirostris presented as mean ± SD (n)

From: Systematics within Gyps vultures: a clade at risk

Variable indicus tenuirostris
Skull length*** 129.18 ± 3.64 (14) 136.04 ± 4.36 (13)
Culmen l** 67.57 ± 2.84 (17) 69.76 ± 1.66 (17)
Bill w*** 20.88 ± 0.84 (19) 19.82 ± 0.72 (21)
Bill d* 30.93 ± 1.49 (13) 29.64 ± 1.27 (16)
Maxilla d** 24.46 ± 1.37 (19) 23.34 ± 0.95 (19)
Nares l*** 13.01 ± 1.64 (20) 9.89 ± 1.02 (21)
Gape w 34.17 ± 1.60 (20) 34.83 ± 2.18 (19)
Bill l from gape*** 70.80 ± 3.72 (18) 75.47 ± 2.17 (18)
Mandibular symphysis l*** 26.53 ± 1.55 (20) 29.39 ± 1.48 (20)
Tail l 240.75 ± 9.05 (20) 241.45 ± 10.19 (20)
Outer rectrix l* 231.47 ± 9.93 (19) 224.22 ± 8.98 (18)
Ulna l** 313.27 ± 10.58 (15) 326.33 ± 14.98 (18)
Alula l*** 214.85 ± 7.01 (20) 227.90 ± 5.35 (20)
Wing l (flattened) 642.40 ± 15.73 (15) 637.73 ± 13.32 (15)
Tarsus l*** 107.13 ± 4.11 (20) 114.88 ± 5.862 (19)
Tarsus proximal b* 25.19 ± 1.58 (20) 26.40 ± 1.74 (19)
Tarsus minimum b 14.10 ± 0.92 (17) 14.51 ± 1.00 (17)
Tarsus distal b** 26.38 ± 1.48 (19) 28.04 ± 1.76 (20)
Pes digit 1 l*** 34.00 ± 1.26 (19) 37.75 ± 2.79 (20)
Pes digit 1 claw l 30.26 ± 1.58 (18) 30.05 ± 1.39 (20)
Pes digit 2 l*** 47.01 ± 2.42 (19) 50.66 ± 3.47 (20)
Pes digit 2 claw l 30.40 ± 1.65 (19) 31.24 ± 1.68 (20)
Pes digit 3 l*** 93.54 ± 3.84 (16) 103.22 ± 3.90 (19)
Pes digit 3 claw l*** 27.99 ± 2.04 (16) 31.15 ± 1.84 (20)
Pes digit 3 claw w*** 6.75 ± 0.38 (18) 6.32 ± 0.36 (20)
Pes digit 3 claw d*** 7.26 ± 0.34 (18) 7.78 ± 0.40 (20)
Pes digit 4 l*** 55.32 ± 2.58 (18) 61.38 ± 4.05 (18)
Pes digit 4 claw l* 23.95 ± 1.52 (18) 24.93 ± 1.30 (19)
  1. Sexes pooled. Significance levels: *, P ≤ 0.05; **, P ≤ 0.01; ***, P ≤ 0.001. L, length; w, width; d, depth; b, breadth.