DWQA Questions › Tag: special physiologyFilter:AllOpenResolvedClosedUnansweredSort byViewsAnswersVotesHow can Ruby-throated hummingbirds fly over the open water of the Gulf of Mexico for their annual migration, traveling nonstop up to 500 miles to reach shores of the United States, a flight of 18 to 22 hours?ClosedNicola asked 6 years ago • Animal Issues576 views0 answers0 votes
Nicola