Page 388 - (DK) Ocean - The Definitive Visual Guide
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386     ANIMAL LIFE














                                                                              ORDER PROCELLARIIFORMES   This dark-coloured sea bird is often
                                                                                                        seen in summer off North America’s
                                                                           Black-footed                 west coast. One of three species of
                                                                                                        albatross found in the north Pacific,
                                                                           Albatross                    its dark underwings distinguish it from
                                                                                                        the other two. It is fond of scavenging,
                                                                           Phoebastria nigripes
                                                                                                        and often follows trawlers and
                                                                                         LENGTH  68–74cm    shrimping boats to catch discarded
                                                                                         (27–29in)
                                                                                                        offal. Black-footed Albatrosses breed
                                                                                         WEIGHT  3–3.5kg    in colonies on islands in the central
                                                                                             3
                                                                                         (6 1 / 2 –7 / 4 lb)
                                                                                                        and western Pacific. Like other
                                                                                         HABITAT  Open ocean,   albatrosses, they perform elaborate
                                                                                         atolls, isolated islands
                                                                                                        courtship displays. All albatrosses are
                                                                           DISTRIBUTION  North Pacific, Johnston Island and   monogamous, pairing up to breed
                                                                           Marshall Islands
                                                                                                        with the same partner each autumn.
                                                                            HUMAN IMPACT
                                                                            LONG-LINE FISHING
                                                                            The Black-footed Albatross is a
                                                                            frequent victim of long-line fishing,
                                                                            which involves trailing lines that
                                                                            carry thousands of baited hooks.
                                                                            Albatrosses swallow the bait and
                                                                            become caught. Long-line fishing
                                                                            is estimated to kill at least 300,000
                                                                            sea birds of all kinds each year.
                                                                            VICTIM OF DROWNING
                                                                            Albatrosses usually swallow their food whole, so
                                                                            long-line hooks become lodged in their stomachs
                                                                            and drag the birds underwater to drown.



                                                                              ORDER PROCELLARIIFORMES       ORDER PROCELLARIIFORMES
                                                                           Short-tailed Albatross       Light-mantled
                                                                                                        Sooty Albatross
                                                                           Phoebastria albatrus
                                                                                         LENGTH  84–94cm
                                                                                                        Phoebetria palpebrata
                                                                                         (33–37in)
                                                                                                                       LENGTH  79–98cm
                                                                                         WEIGHT  3–5kg
                                                                                         (6 1 / 2 –11lb)               (31–39in)
                                                                                                                       WEIGHT  2.5–4.5kg
                                                                                         HABITAT  Remote islands       (5–10lb)
                                                                                         (breeding); open ocean
                                                                                                                       HABITAT  Remote islands
                                                                           DISTRIBUTION  North Pacific, Tori Shima Island and   (breeding); open ocean
                                                                           Senkaku Islands
                  ORDER GAVIIFORMES          plumage is replaced by less eye-                           DISTRIBUTION  Southern Ocean, isolated islands in
                                                                                                        south Atlantic and southern Indian Ocean
                                             catching shades of brownish black    This north Pacific albatross almost
               Great Northern                and grey. Like other divers, it has a   became extinct during the early 1900s
                                             streamlined body, small wings, and   due to demand for its feathers. By   Together with its close relative the
               Diver                         webbed feet set far back – a feature   1950, only about 20 birds were left.   Sooty Albatross, this is one of two
                                             that makes it clumsy on land. On   Thanks to conservation measures, the   southern albatrosses that have sooty
                                             water, it is far more graceful. It floats   population now stands at nearly 2,000,   brown plumage, as opposed to white
               Gavia immer
                              LENGTH  70–90cm    with its bill held at a characteristic   all breeding on remote islands in the   and black. The Sooty Albatross is
                              (28–35in)
                                             upward slant and can dive to depths    far west of its range. Adults are mostly   brown all over, but the Light-mantled
                              WEIGHT  3–4.5kg    of over 75m (250ft) to catch fish –    white, with black flight feathers, pink   species has a pale grey nape and back
                              (6 1 / 2 –10lb)
                                             its principal food.           bills, and golden-yellow heads.  – the feature that gives it its name.
                              HABITAT  Freshwater   During the summer months, Great                     A graceful glider, it feeds on fish,
                              lakes (breeding); coasts
                                             Northern Divers usually live in pairs,                     squid, and crustaceans. It is also highly
               DISTRIBUTION  Northern North America, Greenland,   carrying out spectacular courtship    inquisitive and often follows ships.
               Iceland, Europe, north Pacific, north Atlantic
        OCEAN LIFE  This striking bird is best known for    sheltered coasts, where there is less risk   the start of the southern spring.
                                                                                                        After spending the winter at sea, it
                                             displays. When the breeding season
                                             comes to an end, they migrate to
                                                                                                        returns to its breeding sites by August,
                                                                                                        Female birds lay a single egg in early
                                             of icing. In North America, flocks of
               its haunting cry, which echoes across
                                             several hundred often gather on the
                                                                                                        summer, and the chicks become
               freshwater lakes during the summer
               breeding season. During the winter,
                                             Great Lakes, before heading south as
                                                                                                        independent about four months
                                                                                                        after they hatch – a relatively rapid
               the same bird is a common visitor in
                                             far as the coast of Florida. In Europe,
               coastal waters, although at this time
                                                                                                        development compared with that
                                             they winter on Atlantic coasts,
                                             dispersing as far south as Portugal.
                                                                                                        of the larger albatrosses.
               of year its black-and-white breeding
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