The Largest heart among terrestrial animals

[gracy]

Which of the following is correct
1-Elephant has the largest heart among all terrestrial animals.
2-Giraffe has the largest heart among all terrestrial animals.
I have read somewhere that elephant has the largest heart among all terrestrial animals.But now I have seen a book where it is written that Giraffe has the largest heart among all terrestrial animals,I am confused I want the correct and reliable answer for my test on "kingdom animalia".

 

[Pythagorean]

I've always heard it was the giraffe, because they have such a long way up the neck to pump blood against gravity.

 

[Dotini]

I've always heard it was the giraffe, because they have such a long way up the neck to pump blood against gravity.

I pity the sauropod!

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