Bindi I Irwin, the8-year-olddaughterofthe late "Crocodile Hunter" Steve Irwin, followed in her dad'sfootstepsThursday, using her Americantelevisiondebuttotalk aboutanimals.
Among the speakers were US actors Hayek and Matthew McConaughey, award-winning scientist and environmentalist Dr David Suzuki, Canadian astronaut Julie Payette and Bindi Irwin, the young daughter of the late Australian wildlife expert, SteveIrwin.