Page 64 - Complete Birds of Britain and Europe (DK - RSPB)
P. 64

DIVERS AND GREBES
       Order Podicipediformes  Family Podicipedidae  Species Podiceps auritus
        Slavonian Grebe                                       flat crown

                                           stiff golden-
                                           yellow wedge
                                           on black head
                                                                  straight, short,
                                          rust-red                pale-tipped bill
                                          flanks
                              dumpy shape
                   white patch
                   on small                                   rust-red neck
                   wings
                ADULT (SUMMER)
           IN FLIGHT
                                                                   ADULT
                                                                   (SUMMER)
                well-defined
                white cheeks
                                                                  black and
                                   pale bill tip                  white head
                                                 large white
                                                 cheeks
                                        white
                                        flanks
                               white                               small whitish
                               foreneck                            spot in front
                                                                   of eye
                                                                    white
                                                                    foreneck
                                    ADULT                           and breast
              IMMATURE (1ST WINTER)  (WINTER)
          bird of remote, upland, northern pools in
        Asummer, the Slavonian Grebe is then easy to  FLIGHT: low, quick; may patter across water surface.
        identify. Its complex head pattern and plumes are
        used in display: like other grebes, the sexes are alike.
        In winter, in stark black and white plumage, it is
        much more like some other grebes. It typically breeds
        in loose groups of three or four pairs, and spends the
        winter in twos and threes at most.These may be
        seen near Black-necked Grebes in favoured spots.
        VOICE High, fast, whistling trills in summer; usually
        silent in winter.
        NESTING Pile of weeds anchored to reed or sedge
        stem; 4 or 5 eggs; 1 brood;April–July.  NEST BUILDING
        FEEDING Dives to find small fish; in summer, mostly  Slavonian Grebes build soggy heaps of water weeds in which to lay their
        feeds on insects and various aquatic crustaceans.  eggs, covering them for safety when they leave the nest.
                 SIMILAR SPECIES         OCCURRENCE
                                         Breeds in cool, wild pools with
        BLACK-NECKED GREBE winter,  yellow bill-base  some fringing vegetation in
        similar to adult winter;
        see p.63                         Iceland, N Scotland, and N and
                                         E Europe. In winter, mostly on
          duskier cheeks
                                         sea in NW Europe, especially
                                dusky    on muddy estuaries, more rarely
                        uptilted bill  foreneck  on reservoirs and pits inland.
                           RED-NECKED GREBE winter,
                           similar to adult winter;  Seen in the UK
                           see p.60       J  F  M  A  M  JJ A S O  N  D
       Length  31–38cm (12–15in)  Wingspan  59–65cm (23–26in)  Weight  375–450g (13–16oz)
       Social  Pairs/Small flocks  Lifespan  Up to 10 years  Status  Secure†
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