As I am doing the chapter on metric unit, I decided to look at the Blue whale is a perfect example of size...
DID YOU KNOW?
An adult whale weights approx. 190 metric tonnes
Newborn approx 2700kg.
Adult Length: 33.6m
Newborn: 7m
Adult tongue: 2.7 metric tonnes
Adult Diet: 3600kg / 40 million krill per day
Newborn Diet: 400 litres of milk per day
Lifespan: 80 years
Gestation: 10-12 months
Group: Pod
Another interesting fact about whales is that they have this amazing way of communicating through sounds:
Read more here:
http://en.wikipedia.org/wiki/Blue_whale#Size
http://www.wdcs.org.uk/
http://www.greenpeace.org/international/en/campaigns/oceans/whaling/
http://www.wdcs.org/wdcskids/en/index.php
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