Hummingbirds fly by rapidly moving their wings in a unique figure-8 shape. To support this movement, they have very strong pectoral muscles. In fact, these muscles make up roughly 30% of their total body weight!
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Hummingbirds fly by rapidly moving their wings in a unique figure-8 shape. To support this movement, they have very strong pectoral muscles. In fact, these muscles make up roughly 30% of their total body weight!