Page 32 - World of Animals - Issue #28 Magazine
P. 32

Meet the family
           Cranes








            There are only 15 species of crane

            worldwide. These large, charismatic
            birds mate for life, dance for joy, and

            sing in unison
                                                                            BLA CK -CRO WNED                    The purpose of the black-
                                                                            BLACK-CROWNED
                                                                                                                crowned crane’s headgear
                                                                            CRANE                               is unknown. It may be
           Black-crowned crane                                              Balearica pavonina                  used in courtship displays,
                                                                             alearica pa
                                                                            B
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                                                                                                                or help shade the bird
           The king of the cranes                                                                               from the hot African sun.
           The black-crowned crane may be one of the smaller cranes but it is certainly
           the most regal, adorned with a large, yellow crown and smooth, black, velvety   Class Aves
                                                                                  West Africa, Sudan
           feathers on its head. This bird is unusual in the way it roosts; while most   Territory West Africa, Sudan
                                                                            and South Sudan
                                                                            and South Sudan
           cranes are ground-dwelling creatures, the black-crowned crane is the only one   Diet Grains, plants, insects
                                                                               Grains, plants, insects
                                                                                  20-30 years
           known to take to the trees and build nests amongst the branches.    Lifespan 20-30 years
                                                                            Adult weight 3-4kg (7-9lb)
             The cranes will search their surrounding area, looking for wetland edges   Adult weight 3-4kg (7-9lb)
                                                                            Conservation status
                                                                            Conservation status
           where the best grasses and sedges grow, and use these to construct their
           nest. They hold an important place in Kenyan pastoralist (farming) culture,
                                       where they are highly regarded as    VULNERABLE
                                                                            VULNERABLE
                                       messengers of peace.
                                       Black-necked crane
                                       The world’s only alpine crane is the master of
                                       T h e w o r l d ’ s o n l y a l p i n e c r a n e i s t h e m a s t e r o f    BLACK-NECKED CRANE
                                                                                                           Grus nigricollis
                                       predator avoidance                                                  Class Aves
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                                       The sky is the limit for the black-necked crane; soaring high over the Himalayas,  ,
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                                       it is the only member of the family to spend its summers in alpine areas of
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                                       extremely high elevations. It is a particularly cautious species and employs a
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                                       number of stealthy defence tactics. Always foraging in groups with one standing     Territory China, India, Bhutan
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                                       s sentinel, and nesting in large open areas of water, ensures they stay ahead of     Diet Roots, insects, snails
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                                         predators. They even settle down to roost at night while standing on one leg   Lifespan 20-30 years
                                             in shallow water, so if predators do try and sneak up on them, they will   Adult weight 5-7kg (11-15lb)
                                                                                                           Conservation status
                                                              be heard. They love to forage and spend around
                                                                 75 per cent of their time searching for food
                                                                  and eating, and sometimes will travel several   VULNERABLE
                                                                  kilometres in a day.
                                      Easily confused with the common

                                      crane, there is one key difference to help
                                      distinguish between the two: the black-
                                      necked crane has a black tail, whereas the
                                      common crane has a grey tail.
                                                                                                    The large wattles hanging from the bill are
                                                                                                    covered in white feathers and small, round,
                                                                                                    wart-like bumps. These appendages increase
                                                                                                    in size if the bird becomes aggressive.
            Wattled crane                                                W A TTLED CRANE  tus
                                                                         WATTLED CRANE
                                                                         Buger
                                                                         Bugeranus carunculatus
                                                                             anus caruncula
            The nomadic member of the family
            Most species coordinate their movements with the changing seasons, but
            this fussy drinker roams the wetlands looking for the best quality water.   Class Aves
            They typically prefer saturated areas and it’s not uncommon to find them   Territory Sub-Saharan Africa

                                                                               Sub-Saharan Africa

            congregating at flood sites. They are less house-proud than other species   Diet Grasses, insects, fish
                                                                             Grasses, insects, fi

                                                                                       sh
                                                                               20-30 years
            and their nests can be found at wetland edges more closely resembling   Lifespan 20-30 years
                                                                         Adult weight 6–9kg (14–20lb)
                                                                                  6–9kg (14–20lb)
            a mass of crushed grass than a nest. Despite this, they are very territorial   Conservation status
                                                                         Conservation status
            and nesting sites will always be kept a minimum of 500 metres (1,640 feet)
            apart. When compared to other crane species, the wattled crane makes
            for a dedicated parent. This species spends up to 36 days on average   VULNERABLE
            incubating their eggs, which is longer than any other crane.
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