Simplify the following text for a Grade 6 native English-speaking person.
Original: The King Penguin ( Aptenodytes patagonicus ) is the second largest species of penguin at about 11 t , second only to the Emperor Penguin .
Simplified: The King Penguin ( Aptenodytes patagonicus ) is a type of penguin . It is the second largest species of penguin , as it is smaller and shorter than the Emperor Penguin .