A Year in the Wild (4)
It is April, and large groups of blacktip and tiger sharks are gathering off the South African Coast. They are waiting for the onset of one of nature’s most spectacular mass migrations: the annual sardine run. Like the cold ocean current that gives rise to the extraordinary numbers of African pilchards and their predators during the Sardine Run, the frigid Benguela current that runs northwards along the arid coastline of Namibia also supports a remarkable diversity of life. Monk parakeets are highly sociable, quirky South American parrots, but unlike all other parrots, they build complex nesting structures that can reach the size of a car, with individual compartments for each nesting pair. South American parakeets aren’t the only birds turned architects: the social weaver birds of southern Africa also construct permanent nests on trees, large enough to house dozens of bird families, often stretching across several generations at a time. Like the weaverbirds, bats, too, tend to roost in large numbers. At this time of year, mothers and their young form part of the colony, with the young clinging closely to the front of their mothers until there are weaned at 6 months of age. In the
Režie:Daniela Pulverer
Hrají:Peter Venn
2013
