Table 5

Percentage differences in size and mass between right and left bones of forelimbs from walruses (Odobenus rosmarus).

All specimens (n = 23)

Average of differences in % of bone length or mass in adults. ∑ ((R-L)/L*100)/n

Average of differences in % of bone length or mass in juveniles. ∑ ((R-L)/L*100)/n


Scapula length

1.80 (5)

0.77 (17)

Scapula height

1.13 (5)

-0.35 (17)

Humerus length

0.17 (4)

0.75 (17)

Radius length

0.14 (6)

0.35 (17)

Ulna length

0.66 (6)

0.61 (15)

Scapula mass

1.24 (3)

0.54 (16)

Humerus mass

1.58 (3)

0.97 (14)

Radius mass

-0.68 (3)

1.47 (17)

Ulna mass

0.35 (4)

0.47 (17)


The numbers in brackets are number of examined specimens.

Levermann et al. BMC Ecology 2003 3:9   doi:10.1186/1472-6785-3-9

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