Saker

(Falco cherrug)


Example 1

Date: 2002 
Origin: Falconer's bird ( worn-out )
Location:  
Age and sex:  
Feathers: Rightwingfeathers (6 primaries & 5 secundaries) | Leftwingfeathers (5 primaries & 3 secundaries) | 8 Tailfeathers

Example 2

Date:  
Origin:  
Location:  
Age and sex:  
Feathers: Scan of different large falcon wing- and tailfeathers (Falco peregrinus, F. biarmicus, F. jugger and F. cherrug)