Guess What Animal 3?

Here is a little riddle, can you guess what animal? (HINT: animal not on picture)

Guess What Animal 3

 The fourth most intelligent animal,

They can range from big to small,

Despite what people think they are actually quite clean,

They are also very keen,

They have very small lungs,

And 15,000 taste buds on their tongue,

They have cute floppy ears,

Can you guess this animal that can live for 10-15 years?