Page 7 - BBC Wildlife - August 2017 UK
P. 7

60          Claimed top speed in kilometres per hour                                 CHRIS
                                                                                                      S
                     of common dolphins, after orcas probably
                     the fastest cetaceans in British and Irish
                                                                                                    KHAM’S
                                                                                              PACK
                     waters. They typically cruise at 8–10kph.
                                                                                                     T-SEE
                                                                                              MUST
                                                                                     Q CONSERVATION
                                                                DON’T MISS           MAKING
                                                               Wild UK               A SPLASH

                                                              FORMOREBRITISH                                          W dWonders of Europe/Lundgren/naturep .com
                                                              WILDLIFEACTION             almer seas mean August is prime
                                                                CATCHUP ON iPLAYER
                                                                                         time for cetacean watching
                                                                                     Caround the British Isles – you
                                                                                     don’t need to head as far as the
                                                                                     Mediterranean, Canaries or Azores to
                                                                                     marvel at dolphins riding bow waves
                                                                                     and leaping out of the water. Common
                                                                                     dolphins are more abundant and
                                                                                     widespread here than their bottlenose
                                                                                     cousins, with good numbers off western
                                                                                     coasts in summer, attracted by shoals
                                                                                     of sprat, sardines, anchovies and
                                                                                     mackerel. Climate change has also
                                                                                     resulted in warmer-water fish species
                                                                                     such as sardine and anchovy spreading
                                                                                     into the North Sea, and common
                                                                                     dolphins appear to be following.
                                                                                       You may strike gold and spot a pod
                                                                                     of dolphins from a headland in Cornwall
                                                                                     or Pembrokeshire, but they mainly stay
                                                                                     offshore in water at least 100m deep. So
                                                                                     your best chance of a sighting is to book
                                                                                     a boat trip, or take a ferry to the Isles of
                                                                                     Scilly, across the Irish Sea or between
                                                                                     Hebridean islands. “Usually you’ll see
                                                                                     sub-groups of 8–20 individuals, though
                                                                                     occasionally you get bigger groups of
                                                                                     hundreds,” says Peter Evans of the Sea
                                                                                     Watch Foundation. “But there’s so much
                                                                                     we still don’t know about common
                                                                                     dolphin movements. It could be that
                                                                                     there is a continental shelf population
                                                                                     and an off-shelf population, for example.
                                                                                     We need more dedicated surveys.”
                                                                                     GET INVOLVED  The Sea Watch Foundation
                                                                                     National Whale & Dolphin Watch runs until 6
                                                                                     August: www.seawatchfoundation.org.uk






                                                                                            SPLASHES
                                                                                      ` OFFSHORE OR
                                                                                     DIVING GANNETS
                                                                                     ARE CLUES THAT
                                                                                     DOLPHINS ARE
                                                                                     IN THE AREA.”



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