Assertion: hummingbird | /r/HasAspect | muscle
Facets:
value: as in other birds
type: OTHER
Source sentences:
text: Hummingbirds have proportionally larger pectoral (chest) muscles and very low stress in the muscles involved in flight.
text: Hummingbirds also have muscles that power both the up and down stroke instead of just the down stroke, as in other birds.