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Measurement (mass & weight): Harp Seal

3 - Further Challenges

Inspired by Nature Worksheet

Click to download. Best opened in Microsoft Word on all devices.

Further Challenges

  • When panda cubs are born they are tiny. Some weigh as little as 100 g. At 90 kg, panda mothers can weigh 900 times more than their newborns!

Can you use your research skills to find out which animals (other than pandas) have huge increases in weight from birth to adulthood?

Related Clip

Harp seals and hooded seals fatten up on unstable ice.

Credit: BBC One – The Blue Planet