Simplify the following text for a Grade 3 native English-speaking person.
Original: The Longuemare 's Sunangel is 9.4 cm ( 3.7 inches ) long ( not with the bill ) and normally weighs 5.3 grams .
Simplified: This species is 9.4 cm ( 3.7 inches ) long ( not including the bill ) and weighs 5.3 grams , on average .