Assertion: hummingbird | /r/CapableOf | migrate to the united states
Facets:
value: in the springtime
type: TEMPORAL
Source sentences:
text: In the spring time when hummingbirds migrate to the United States, they will fly up to 500 miles across the Gulf of Mexico or along the Gulf which can take them twenty hours or more (non stop).
text: According to the U.C. Davis School of Veterinary Medicine, "When hummingbirds migrate to the United States in the springtime, they cover 500 miles across the Gulf of Mexico, flying for 20 hours without stopping.