Unravelling the mysteries of the endangered blue whale
Blue Whale Handy Facts
Photo credit: Paul Hodda
Blue whales are the largest animal, mammal and marine species ever to live on earth!
The maximum length recorded for a female was 33.5m which is as long as a Boeing 737.
The maximum adlult weight recorded is 190 tons (equivalent to approx. 19 African elephants)
The life span of a blue whale can reach up to 90 years or more
The blue whale belongs to the rorqual group of baleen whales (which includes Minke, Bryde’s, Humpback, Sei and Fin Whales)
The newborn blues are approximately 7 – 8m long and 2.5 – 4 tonnes in weight.
Calves grow 90.7 kg/day and increase in size by 30 times in their 1st year of life
Blue whales feed by gulping large quantities of krill.Estimates suggest that a blue whale weighing around 80 tons needs approx. 2 – 3 tons of food a day which equates tomillions of krill (Nyctiphanes australis) in one day.
They feed in cool upwelled waters off southern Australia in summer and migrate to warm tropical waters during winter to breed.
They make the loudest sound of any animal which has been detected more than 1000km away.
The blue whale is capable of diving up to 500m in depth when feeding.
Their Baleen plates can be up to 1m in length.
Sadly they are listed as Endangered by the Commonwealth Government of Australia.