Blue whales are the largest animal ever known to exist on Earth, reaching up to 30 metres in length. With a heart the size of a car and a tongue that can weigh as much as an elephant, you can only imagine how awe-inspiring an encounter with a blue whale can really be. They have a long lifespan and are one of the noisiest creatures, with a low frequency whistle that reaches up to 188 decibels and stretches for hundreds of miles. It is thought that the highly structured, repetitive sounds can travel for many miles, and that the ‘songs’ are used to locate large krill masses and to communicate with each other – it is thought they can hear each other up to 1,000 miles away in good conditions.

Blue whales are baleen, meaning they have a comb-like material on their top jaw for feeding. Gulping in huge amounts of water, their throat and belly expanding due to pleated throat grooves, they then push it all out through the fingernail-like material, trapping thousands of krill before swallowing them.

They look deep blue under the water, yet have more of a grey-blue colour up close. They spend their summers feeding in polar waters, moving towards the equator in the winters.

IT IS THOUGHT THAT BETWEEN 10,000 AND 25,000 BLUE WHALES STILL EXPLORE THE WATERS OF THE EARTH.

Loreto offers magnificent opportunities to view Great Whales. Loreto is a world-class blue whale observation destination.

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