The bird had been tagged by the United States Geological Survey (USGS) and U.S. Fish and Wildlife Service with a solar-powered satellite transmitter.
After 11 days of nonstop flying, B6 arrived in Tasmania, Australia, on October 24, having traveled 8,455 miles, the longest recorded nonstop flight of any animal on Earth.
https://www.iflscience.com/bird-makes-record-breaking-flight-from-alaska-to-tasmania-without-landing-65975
The flight time from Juneau to Hobart is 17 hours. The bird flew for 11 days!