Table 4a. Mass of adult birds during the breeding season. Mass given in g. NA denotes values that are unavailable.

Location Year Sex N Mean SD min-max Source
               
Eisenberg-Pfalz / Germany 2014–2017 M 41 51.2 2.6 42.0–55.5 Bastian and Bastian, unpublished
F 34 49.6 2.5 44.5–54.5
               
Camargue / South France 1983–1987 M 186 56.5 2.9   19
F 196 56.7 5.7  
               
Hungary 1985–1990 M 11 56.7 3.0   20
F 9 53.1 1.8  
               
Transylvania / Romania 1965–1966 M 11 54.4 NA 50.2–59.8 18
F 13 52.3 NA 42.3–67.5
               
Sicily / Italy (20 April) 1997–2001 M 23 54.0 3.7   21
F 17 54.1 3.1  
               
Sicily / Italy (20 May) 1997–2001 M 38 57.7 4.6   21
F 12 63.6 5.4  
               
Sicily / Italy (20 June) 1997–2001 M 18 51.4 2.0   21
F 23 48.4 1.8  
               
Almería, Jaén / Spain 2000 M/F 32 52.4 3.7   22

 

Table 4b. Mass of birds during migration. Mass given in g. NA denotes values that are unavailable.

Location / season Year Sex N Mean SD min-max Source
               
Morocco - April/May 2005 M/F 12 47.8 5.4   23
               
Morocco - spring 1992–2007 M/F 8 55.8 3.2 49.5–60.5 24
               
Morocco - spring 1963–1966 M/F 46 48.7 NA 36.5–60.0 17
               
Balearic Islands / Spain - spring 1992–2007 M/F 495 55.6 5.0 35.7–66.6 24
               
Columbretes / Spain 1992–2007 M/F 22 46.2 4.0 40.3–55.0 24
               
Catalonia / Spain 1992–2007 M/F 131 54.2 4.7 35.0–66.4 24