Page 418 - Complete Birds of Britain and Europe (DK - RSPB)
P. 418

BIRDS OF PREY
       Family Falconidae  Species Falco vespertinus  Family Falconidae  Species Falco eleonorae
       Red-footed Falcon                  Eleonora’s Falcon
       Small, delicate, slightly rounded in its contours, the  This is a large, rakish, long-tailed, sharp-winged falcon
       Red-footed Falcon is between a Hobby and Kestrel  of Mediterranean regions. One form is all-dark and
       (see pp.142, 140) in shape and behaviour. It hovers,  blackish,and another has a white collar,dark moustache,
       but also swoops gracefully in pursuit of insects. Old  and rufous underside.The underwing is two-toned,
       males are smoky grey with paler wingtips,  dark in front.Juveniles are plainer with narrow bars and
       young ones grey with dark wingtips   pale cheeks. Eleonora’s Falcons catch small
       and reddish belly patches. Females   migrant birds over the sea or big insects
       are barred grey and  smoky grey    over lakes and marshes.
       brown, and pale buff  body         OCCURRENCE Scarce  white
                                                          neck
       on the crown and                   on Mediterranean
       underside.                         islands and coasts.
       OCCURRENCE Breeds                  VOICE Sharp, nasal,
       in E Europe, regular but           grating chatter.
       rare in spring/summer
       in W Europe.                       ADULT
       VOICE High, quick,                 (PALE FORM)
       staccato chatter.

            paler wingtips

            MALE
       Length 28–34cm (11–13 1 ⁄2in)  Wingspan 65–76cm (26–30in)  Length 37–42cm (14 1 ⁄2 –16 1 ⁄2in)  Wingspan 87–104cm (34–41in)

       Family Falconidae  Species Falco rusticolus  Family Falconidae  Species Falco cherrug
       Gyr Falcon                         Saker
       The biggest and most heavily built falcon, the Gyr  A massive, powerful, broad-winged falcon, equal to a
       Falcon may be dark brownish (juveniles), slaty grey, or  male Gyr Falcon in size, and paler and browner than
       almost pure white according to age and location: the  a Peregrine (see p.143), the Saker has a pale buff head
       grey birds breed in N Europe, while the white ones  with only a thin dark moustache, and usually dark
       visit mostly in late winter or spring from  thigh feathers.The underwing is strongly two-toned.
       Greenland.The outer wing has paler  Juveniles are darker, blackish on the flanks, and dark
       areas underneath and the forewing  under the tail unlike a young Lanner.
       is rather darker than the          OCCURRENCE Rare in SE Europe, in hills,
       trailing edge.                     forests, and semi-arid
       OCCURRENCE Rare                    grassland.        pale buff
       vagrant in W Europe, and           VOICE Loud, harsh,  head
       rare breeder in Iceland            ringing chattering calls.
       and N Norway.
       VOICE Deep, hoarse,                      brownish upperparts
       rattling chatter.
                                          ADULT  dark thigh
                                                 feathers
        white body and
        wings with
        black spots

       ADULT
       (PALE FORM)

       Length 53–63cm (21–25in)  Wingspan 1.09–1.34m (3 1 ⁄2 –4 1 ⁄2ft)  Length 47–55cm (18 1 ⁄2 –22in)   Wingspan 1.05–1.29m (3 1 ⁄2 –4 1 ⁄4ft)
      416
   413   414   415   416   417   418   419   420   421   422   423