Robert Irwin, Terri Irwin and Bindi Irwin, pictured in 2019, are grateful to America, because Americans have been so supportive of their conservation work through both the Australian wildfires and the more recent global pandemic./Bradley Kanaris/Getty Images

Robert Irwin, Terri Irwin and Bindi Irwin, pictured in 2019, are grateful to America, because Americans have been so supportive of their conservation work through both the Australian wildfires and the more recent global pandemic./Bradley Kanaris/Getty Images