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Table 3 The body mass by age class and sex of drowned and non-drowned guillemots and shags

From: A description of the gross pathology of drowning and other causes of mortality in seabirds

  Mean body mass g. (Range, sd, n =)
  Drowned Guillemots Non-drowned Guillemots Drowned Shags
Adult males 1148.3 (1002–1354, 118.9, 11) 613.6 (468–800, 96.2, 9) 1965.9 (1794–2448, 152, 14)
Adult females 1124.1 (794–1461, 167.0, 14) 577.2 (483–740, 68.14, 17) 1687.6 (1563–1798, 87.3, 7)
Immature males 1042.3 (851–1214, 121.1, 6) 599.5 (528–713, 53.3, 11) 1915.3 (1694–2200, 258.9, 3)
Immature females 1070.4 (810–1320, 233.5, 5) 558.8 (470–615, 54.1, 5) 1492.5 (1466–1519,37.5, 2)