Page 24 - Eclipse - Autumn/Winter 2024

 

 

 

 

 

Page 24 - Eclipse - Autumn/Winter 2024
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Flying hippos





















































              A                                   The researchers also sourced video
                      study from the  into
                                                  footage from the internet of hippos
                      the movement and gaits of
                                                  moving, providing a broader range of
                      hippopotamuses on land
                      has found that, while they
                                                  to those in captivity.
              almost exclusively trot, the fastest   behaviours and movements compared
              moving hippos become airborne       In total, this dataset comprised
              for significant periods of time.
                                                  169 cycles of locomotion from
              This research will improve scientific   32 individual hippos.
              understanding of how the size of large   Analysing the data, the researchers
              animals influences their movement,   found that from a biomechanics
              support the reconstruction of the   perspective, hippos almost exclusively
              evolutionary biomechanics of hippo   trot – even when slowly walking or
              lineages and help veterinarians diagnose   quickly running. This is unusual for land
              or monitor hippos that have problems   animals, which tend to have a wider
              moving or are experiencing lameness.
                                                  repertoire of gaits. For example, rhinos
              To conduct this research, which was led   can use a standard quadrupedal walk,
              by John Hutchinson, Professor of    trotting and galloping as they increase
              Evolutionary Biomechanics, and    speed much like a horse. Additionally, the
              Alumna Emily Pringle (BVetMed 2023),   analysis of the video footage revealed,
              the team collected video footage from   for the first time, that the fastest moving
              Flamingo Land Resort in Yorkshire. This   hippos become airborne, sometimes for
              footage revealed how two hippos moved   significant periods (about 15 percent of
              in their paddock during the day.    the stride cycle, or 0.3 seconds).   John Hutchinson, Professor
                                                                                       of Evolutionary Biomechanics

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