Page 23 - World of Animals - Issue #41
P. 23

The world’s largest rodent




                            Young capybaras
                            will use noise to
                            indicate to their
                            mother that they
                            are around



















                              They bark when alarmed
                              Capybaras have a diverse vocal repertoire
                              As social animals, capybaras live in family groups of
                              between ten to 20 individuals, with each unit made up
                              of twice as many adult males as adult females. The rest
                              will be young animals, and although there is always a
                              dominant male, the group will communicate with one
                              another using a variety of methods.
                               One of the main ways in which they do this is a short,
                              sharp bark, which is used to warn of danger or to
                              indicate that the capybara is unhappy. Observers have
                              seen capybaras barking at each other as a sign of
                              displeasure, and to warn intruding males to move away
                              from their territory. In other circumstances, though, a

                              soer sound is engaged. Infant capybara will make a
                              constant guttural purring sound, for instance, and it is
                              believed that this allows them to keep in contact with
                              their mothers.
                               In fact, the purr appears to be a subordinate cry,

                              since it’s also used when a capybara is losing a fight (it
                              is usually accompanied by a chattering of teeth from
                              the aggressor). When content, a capybara will make a
                              low-pitched clicking sound, while females in estrous

                              will whistle: females interested in a male will oen join
                              together to sing as part of a beautiful long-lasting chorus.



                            Powerful paddlers
                            The key features for survival in the wetlands
                                       They have long whiskers
                                       Typical of rodents, capybaras have
                                       whiskers. These are used to help the
                                       whiskers. These are used to help the
                                       animals feel their way through muddy
                                       animals feel their way through muddy
                                       and silted water – handy given they
                                       spend a lot of their time either on
                                       muddied banks or in water.
                                       They have excellent hearing
                                       Capybaras can hear ultrasonic and
                                       infrasonic sound ranges that are
                                       inaudible to human ears. They also   “Their
                                       have a great sense of smell. These
                                       senses compensate for poorer   webbed feet
                                       eyesight and a lack of night vision.
                                       They have fast little legs  help to make
                                       Capybaras are able to run on land at
                                       Capybaras are able to run on land at
                                       speeds of up to 35kph (22mph). They
                                       speeds of up to 35kph (22mph). They
                                       will run if they sense danger, although
                                       will run if they sense danger, although   them great
                                           ghting capybaras will rear up on

                                       two fi
                                       two fighting capybaras will rear up on
                                       their hind legs before charging at   swimmers”
                                       one another.
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       020-024_Capybara Worlds largest rodent.indd   23                                                                      01/12/2016   10:04
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