Page 392 - (DK) Ocean - The Definitive Visual Guide
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390     ANIMAL LIFE


                  ORDER CICONIIFORMES           ORDER CICONIIFORMES
               Gray Heron                    Little Egret

               Ardea cinerea                 Egretta garzetta
                              LENGTH  34–39 in             LENGTH  22–27 in
                              (90–100 cm)                  (56–65 cm)
                                      1
                                   1
                              WEIGHT  3 / 2 –4 / 2 lb      WEIGHT  11–16 oz
                              (1.6–2 kg)                   (300–450 g)
                              HABITAT  Estuaries,          HABITAT  Muddy coasts,
                              lagoons, coasts              mangrove swamps
               DISTRIBUTION  Europe, mainland Asia (except far   DISTRIBUTION  Southern Europe, Africa, southern
               north), Japan, Indonesia, Africa, Madagascar  Asia, Southeast Asia, Australasia
               Commonly seen in fresh water, the   Pure white with black legs, a black
               gray heron also frequently visits shores,   bill, and bright yellow facial skin, the
               especially in areas where lakes and   little egret is usually seen on its own
               ponds freeze in winter. Tall, gray-  or in scattered groups, wading quietly
               backed, and often immobile, it waits   through shallow water on coasts. This
               patiently for fish or other animals to   bird feeds on fish and other shoreline
               come within range, then seizes them   animals that are disturbed by its
               with a rapid jab of its daggerlike bill.   approach. During the breeding season,
               On coasts, its feeding method restricts   both males and females grow long,
               it to shallow water on rocky and   lacy feathers on their heads and backs.   ORDER CICONIIFORMES  white, with a pale yellow bill and
               low-lying shores, where it often follows   They nest in trees, building flimsy           yellow-gray legs. The other form has
               the falling tide. Gray herons fly with   nests out of sticks.  Pacific Reef Egret        a similarly colored bill and legs, but its
               slow wingbeats, their heads hunched                                                      plumage is dark gray.  The balance
               into their shoulders and their legs                         Egretta sacra                between the two forms varies. In
               trailing behind. They nest in trees,                                      LENGTH  24–27 in   some islands in the tropical Pacific the
               typically inland near water.                                              (60–70 cm)     white form predominates, but in New
                                                                                         WEIGHT  14–26 oz   Zealand, the overwhelming majority
                                                                                         (400–750 g)    are gray. Pacific Reef Egrets forage
                                                                                         HABITAT Coastal and   alone or in small groups, feeding on
                                                                                         freshwater wetlands  small fish, crabs, and mollusks. When
                                                                           DISTRIBUTION   Australasia, Pacific islands, western   hunting, they hold their heads and
                                                                           Pacific coast from Southeast Asia to Japan  bodies almost horizontally and often
                                                                                                        shade the water with their half-spread
                                                                           This compact shoreline egret has two   wings. Unlike most egrets, they
                                                                           contrasting color forms, so different   frequently nest on the ground, among
                                                                           that they look like separate species.   fallen rocks or in coastal caves, as well
                                                                           One form (or morph) is completely   as in low-growing trees.

                                                                                                        With their extraordinarily long wings
                                                                              ORDER PELECANIFORMES
                                                                                                        and slender bodies, frigatebirds are
                                                                           Great Frigatebird            unrivaled experts at gliding flight.
                                                                                                        The five species all have glossy black
                                                                                                        plumage, strong, hooked bills, and
                                                                           Fregata minor
                                                                                         LENGTH  34–39 in    small, webbed feet. The males also
                                                                                         (86–100 cm)    have a bright red throat pouch, which
                                                                                         WEIGHT  3–4 lb    they inflate during courtship displays.
                                                                                         (1.4–1.8 kg)   Despite weighing less than a large gull,
                                                                                         HABITAT  Coasts, islands   the great frigatebird has a wingspan of
                                                                                                              1
                                                                                         (breeding); open ocean  up to 7/2 ft (2.3 m), allowing it to
                                                                           DISTRIBUTION  Tropical regions in Indian Ocean and   glide for hours while making only
                                                                           Pacific, sporadic in tropical Atlantic  the merest flick of its wings. As it flies,
                                                                                                        it observes other sea birds as they
                                                                                                        feed, then pursues them to steal their
                                                                                                        catch. Frigatebirds also hunt their
                                                                                                         own food, snapping it up from the
                                                                                                          sea’s surface. They nest in coastal
                                                                                                           bushes, where they make flimsy
                                                                                                            nests out of twigs.



                  ORDER PELECANIFORMES       The largest of the three species of
                                             tropicbird, this elegant sea bird spends
               Red-billed                    most of its life flying over the open
                                             ocean, often hundreds of miles from
               Tropicbird                    land. From a distance the red-billed
                                             tropicbird resembles a dove, but for
        OCEAN LIFE  DISTRIBUTION  Eastern Pacific, Caribbean, tropical   by plunge-diving, hovering to locate
                                             two highly distinctive tail streamers
               Phaethon aethereus
                                       1
                                             that flutter behind it as it flies. It feeds
                              LENGTH  Up to 19 / 2  in
                              (50 cm) excluding tail
                                   1
                                      3
                              WEIGHT  1 / 4 –1 / 4 lb
                                             its prey before diving with half-folded
                              (600–800 g)
                                             wings into the sea. Despite being very
                              HABITAT  Coasts, islands
                                             buoyant, it seldom swims. Like other
                              (breeding); open ocean
                                             tropicbirds, it nests on remote coasts
                                             and oceanic islands and is rarely seen
               Atlantic, northeast Indian Ocean
                                             outside tropical waters.
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