Simplify the following text for a Grade 3 native English-speaking person.
Original: Anna 's Hummingbird is 3.9 to 4.3 inches ( 10 to 11 centimeters ) long .
Simplified: The Anna 's Hummingbird ( Calypte anna ) is 9 to 10 centimetres ( 3.5 to 3.9 in ) long .