Sea mammal are not an irregular sight around the British Isles , with 36 species of heavyweight , mahimahi , seals , and porpoise encounter in these   waters . However , the   sight have middling unusual when one of these creatures has   found   its mode into the Thames . specially , like in this guinea pig , when it ’s a humpback whale .

The crookback giant was   first spotted over the weekend near Gravesend about 20 kilometers ( 12 mile ) from   central London . Over the weekend , the whale moved nearer to London with sighting in the waters near the   easterly boroughs of the British capital .

accord to the British Divers Marine Life Rescue charity , the heavyweight was see “ diving and surfacing at close to five to six - minute intervals , slow travel down river with the outgoing tide,”The Independentreports . The charity kept a flavor on the hulk for about three hours .

The animal , who is not thought to be in hurt or injure , has so far spend a few days around the estuary of the river . hoi polloi are   hoping it will   float out into the North Sea with the lunar time period .

The English river flows through Oxford , Windsor , and London , and ensure its fair part of aquatic beasties . Last year , a beluga heavyweight dub Benny spend months in the Thames before swimming back out again .   In 2006 , a 5 - meter ( 16 - foot)northern bottled - nosed whale swam upstreampast fundamental London . It was a member of a species usually found in deep weewee and had   turn a loss its way entering the river . The write up , unfortunately , did not end well , as attempts to rescue the heavyweight break and it died in the river .

full-grown humpback whales can give 12 - 16 meters ( 39 - 52 metrical unit ) in duration and count around 25 - 30 metrical tons . Given they are prone to gap and doing plenty of Earth’s surface behavior , they are a popular quite a little for whale watchers .

Humpback whales   are found in oceans worldwide ( aside from the cold reaches of the poles ) and in a handful of seas , such as the Mediterranean , the Black Sea , and the Red Sea .

[ H / T : The Independent ]