Whales

The blue whale – over 30 metres long and as heavy as 40 elephants – is the largest animal in the world and could only survive in the ocean. Yet whales, like other mammals, once lived on land, and weren’t always so big.

This program explains why these smart, social animals first took to water, and how they have adapted to aquatic life despite retaining the most basic need of land mammals: to exchange air through the lungs.

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s