Page 323 - Complete Birds of Britain and Europe (DK - RSPB)
P. 323

WARBLERS AND ALLIES
       Order Passeriformes    Family Sylviidae       Species Sylvia undata
        Dartford Warbler                                   short, spiky, yellow-based bill

                                                       red eye and
                                                       eye-ring
                       short,
                       rounded
                       wings                  pale spots on dark
                                              rust-brown throat
                                             brownish
                     MALE                    grey back
       long,                  long, slender,
       “bouncy”               dark tail
       tail
               IN FLIGHT
                                                                     dark red-
                                                                     brown
                                                                     underside
                              duller than male
                              (juvenile greyer)
                            paler underside
                            than male’s
               FEMALE
                                                               MALE
          resident in Europe, the Dartford Warbler is subject to
        Afluctuations in numbers and range according to the
        severity of winter weather. It prefers warm, flat heaths and slopes
        with short herbaceous and shrubby growth, including thick heather
        and clumps of gorse, where it often skulks and is hard to
        see. It may flick from one bush to another but  FLIGHT: quick, undulating with tail flirting; bursts
        disappears from sight frustratingly quickly. In  of wingbeats over short distances.
        warm, still weather, however, it will come to the
        top and reveal its distinctive colours and shape.
        VOICE Very distinctive buzzy call, low chrrrr
        or djarrr; song quick, rattling warble with
        some brighter notes, quite low pitch, little
        variety, sometimes given in flight.
        NESTING Grassy cup lined with finer       BRIGHT
                                                  MALE
        stems, low down in gorse or heather;      Only a good
        3–5 eggs; 2 or 3 broods;April–July.       view reveals the
        FEEDING Finds insects and many            rich colours of
        spiders in low vegetation.                the male.  OCCURRENCE
                                                          Breeds very locally in suitable
                          SIMILAR SPECIES                 habitat in S Britain, NW, W, and S
                                                          France, Spain, Portugal, Italy, and
         MARMORA’S WARBLER     greyer      dark cap       on many Mediterranean islands.
         32; very local;       above       of male
         see p.443                                        Found on heaths with heather and
           grey         shorter         greyer            gorse and some small bushes, and
                        tail                              on warm bushy slopes with few
                                                     white
                                                     throat  trees but plenty of aromatic and
                                                          thorny shrubs, all year round.
                      SUBALPINE WARBLER   SARDINIAN WARBLER 32;  Seen in the UK
                      32; see p.320       see p.318        J  F  M  A  M  JJ A S O  N  D
       Length  12–13cm (4 3 ⁄4 –5in)  Wingspan  13–18cm (5–7in)  Weight  9–12g ( 11 ⁄32 – 7 ⁄16oz)
       Social  Solitary       Lifespan  Up to 5 years  Status  Vulnerable
                                                                         321
   318   319   320   321   322   323   324   325   326   327   328