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Humpback whale

Megaptera novaeangliae

Description:

Humpback whales have a small dorsal fin located nearly two-thirds of the way down their back, and their backs steeply arch as they dive – this is how the humpback got its name and it helps whale watchers distinguish them from other speciesOther distinguishing features include large pectoral fins (which may be up to a third of the body length), and unique markings of black and white on the underside of the tail flukes. These markings are like fingerprints, no two are the same. This fingerprint, or fluke identification, helps researchers identify individuals as they migrate along the coast.

Habitat:

Migrations Most humpback whales make exceptionally long journeys every year between their feeding and breeding sites. Humpbacks can travel up to 8 km/h but during their long migration journey they average only 1.6 km/h, resting and socialising along the way. Because seasons are reversed on either side of the equator, northern and southern hemisphere populations of humpbacks probably never meet. Those in the north travel towards their breeding grounds in tropical waters as those in the south are travelling towards the pole to feed, and vice versa

Notes:

Humpback facts Length Adults: 14m to 18m; Calves: 4m to 5m at birth Weight Adults: up to 50 tonnes; Calves: 2 tonnes at birth Gestation: 11 to 11.5 months Weaning age: up to 11 months Calving interval: 2 to 3 years Physical maturity age: 12 to 15 years Sexual maturity age: 4 to 10 years Mating season: June to October Calving season: June to October Cruising speed: 8 km/hr Blow pattern: Small and bushy, up to 4m Protected Since 1965

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4 Comments

CharliePrice
CharliePrice 6 years ago

Just corrected myself !....was really not thinking

Mark Ridgway
Mark Ridgway 6 years ago

..oh mammals here too.

Mark Ridgway
Mark Ridgway 6 years ago

Magnificent.

poppyrowley77
poppyrowley77 6 years ago

Great pictures :)

CharliePrice
Spotted by
CharliePrice

Tasmania, Australia

Spotted on Oct 9, 2014
Submitted on Oct 22, 2014

Spotted for Mission

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