Australian adventurer Steve Irwin holds his four-year-old daughter Bindi aloft as his wife Terri looks on during the premiere of the adventure comedy motion picture "The Crocodile Hunter - Collision Course" at the Cinerama Dome in the Hollywood section of Los Angeles June 29, 2002. REUTERS/Jim Ruymen

Oct 31, 2019; Nashville, TN, USA; Nashville Predators defenseman Matt Irwin (52) and Calgary Flames center Sam Bennett (93) fight for the puck during the third period at Bridgestone Arena. Mandatory Credit: Steve Roberts-USA TODAY Sports

Oct 31, 2019; Nashville, TN, USA; \Nashville Predators defenseman Matt Irwin (52) skates with the puck against the Calgary Flames during the second period at Bridgestone Arena. Mandatory Credit: Steve Roberts-USA TODAY Sports

Family of the late "Crocodile Hunter" and Australian conservationist Steve Irwin, his son Robert Irwin, wife Terri Irwin and daughter Bindi Irwin, attend an interview in New York, U.S., October 1, 2019. REUTERS/Brendan McDermid

Terri Irwin, wife of the late "Crocodile Hunter" and Australian conservationist Steve Irwin, attends an interview in New York, U.S., October 1, 2019. REUTERS/Brendan McDermid

Family of the late "Crocodile Hunter" and Australian conservationist Steve Irwin, his son Robert Irwin, wife Terri Irwin and daughter Bindi Irwin, pose following an interview in New York, U.S., October 1, 2019. REUTERS/Brendan McDermid

Family of the late "Crocodile Hunter" and Australian conservationist Steve Irwin, his son Robert Irwin, wife Terri Irwin and daughter Bindi Irwin, attend an interview in New York, U.S., October 1, 2019. REUTERS/Brendan McDermid

Family of the late "Crocodile Hunter" and Australian conservationist Steve Irwin, his wife Terri Irwin and daughter Bindi Irwin, attend an interview in New York, U.S., October 1, 2019. REUTERS/Brendan McDermid

Terri, wife of the late Steve Irwin, her daughter Bindi and son Robert, pose together at the launch of their new family show on the Animal Planet television channel in London, Britain, September 26, 2018. Picture taken September 26, 2018. REUTERS/Will Russell

Bindi Irwin, daughter of the late Steve Irwin, poses at the launch of her new family show on the Animal Planet television channel in London, Britain, September 26, 2018. Picture taken September 26, 2018. REUTERS/Will Russell

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Steve Irwin's star is pictured after the posthumous unveiling of a star on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Steve Irwin's star is pictured after the posthumous unveiling of a star on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Steve Irwin's star is pictured after the posthumous unveiling of a star on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame, Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose with anaconda Angelina during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose with anaconda Angelina during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose with anaconda Angelina during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, Bindi and Robert Irwin, Irwin's children, and Wes Mannion, Director of Australia Zoo and Wildlife, pose with anaconda Angelina during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose with anaconda Angelina during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, and Bindi and Robert Irwin, Irwin's children, pose during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Robert Irwin, late Steve Irwin's son, speaks next to his mother Terri and sister Bindi, during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Fans hold an inflatable crocodile during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, speaks next to Bindi and Robert Irwin, Irwin's children, during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Wes Mannion, Director of Australia Zoo and Wildlife, speaks during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri Irwin, wife of late Steve Irwin, reacts during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Bindi and Robert Irwin, children of late Steve Irwin, smile during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Robert Irwin smiles during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Bindi and Robert Irwin smile during the posthumous unveiling of a star for television personality and nature enthusiast Steve Irwin on the Hollywood Walk of Fame in Los Angeles, U.S., April 26, 2018. REUTERS/Mario Anzuoni

Terri (C), Bindi (R) and Robert Irwin, family of the late Steve Irwin, pose for a photo at Lady Elliot Island, Australia April 6, 2018. REUTERS/Phil Noble

Terri (C), Bindi (R) and Robert Irwin, family of the late Steve Irwin, pose for a photo at Lady Elliot Island, Australia April 6, 2018. REUTERS/Phil Noble

Britain's Prince Charles poses for a photo with Terri (L), Bindi (C) and Robert Irwin (2nd L), family of the late Steve Irwin, and Peter Gash, managing director of Lady Elliot Island Eco Resort, at Lady Elliot Island, Australia April 6, 2018. REUTERS/Phil Noble

Britain's Prince Charles talks to Terri, Bindi and Robert Irwin, family of the late Steve Irwin, and Peter Gash, managing director of Lady Elliot Island Eco Resort, at Lady Elliot Island, Australia April 6, 2018. REUTERS/Phil Noble

Bindi Irwin, daughter of the late Steve Irwin, shows Britain's Prince Charles a baby green sea turtle at Lady Elliot Island, Australia April 6, 2018. REUTERS/Phil Noble

Britain's Prince Charles meets Terri, Bindi and Robert Irwin, family of the late Steve Irwin, at Lady Elliot Island, Australia April 6, 2018. REUTERS/Phil Noble

Britain's Prince Charles meets Terri, Bindi and Robert Irwin, family of the late Steve Irwin, at Lady Elliot Island, Australia April 6, 2018. REUTERS/Phil Noble

Britain's Prince Charles poses for a photo with Terri (R), Bindi (2nd R) and Robert Irwin (2nd L), family of the late Steve Irwin, and Peter Gash (C), managing director of Lady Elliot Island Eco Resort, at Lady Elliot Island, Australia April 6, 2018. REUTERS/Phil Noble

Britain's Prince Charles poses for a photo with Terri (R), Bindi (2nd R) and Robert Irwin (2nd L), family of the late Steve Irwin, and Peter Gash (C), managing director of Lady Elliot Island Eco Resort, at Lady Elliot Island, Australia April 6, 2018. REUTERS/Phil Noble

Pittsburgh Pirates starter Phil Irwin pitches against the New York Yankees during the first inning of a MLB spring training baseball game in Bradenton, Florida, March 17, 2013. REUTERS/Steve Nesius (UNITED STATES - Tags: SPORT BASEBALL)

New York Yankees' Eduardo Nunez singles off Pittsburgh Pirates starter Phil Irwin during the first inning of a MLB spring training baseball game in Bradenton, Florida, March 17, 2013. REUTERS/Steve Nesius (UNITED STATES - Tags: SPORT BASEBALL)

New York Yankees third base coach Rob Thomson (59) congratulates Kevin Youkilis (R) after his two-run homer off Pittsburgh Pirates starter Phil Irwin during the first inning of a MLB spring training baseball game in Bradenton, Florida, March 17, 2013. REUTERS/Steve Nesius (UNITED STATES - Tags: SPORT BASEBALL)

Singer Justin Timberlake (L) accepts the Kids' Choice award for best male singer from Bindi Irwin, daughter of the late Steve Irwin, at the 2007 Kids' Choice Awards in Los Angeles March 31, 2007. REUTERS/Fred Prouser (UNITED STATES)

Actors George Lopez (L), Tyler James Williams (C) and Bindi Irwin, the daughter of the late Steve Irwin, present an award at the 2007 Kids' Choice Awards in Los Angeles March 31, 2007. Lopez is holding a fancy air gun that shot t-shirts into the audience. REUTERS/Fred Prouser (UNITED STATES)

Bindi Irwin, daughter of the late Steve Irwin, poses for photographers at the 2007 Kids' Choice Awards in Los Angeles March 31, 2007. REUTERS/Chris Pizzello (UNITED STATES)

Bindi Irwin, the eight-year-old daughter of the late Australian wildlife conservationist Steve Irwin, hugs a panda bear toy given to her during a press conference luncheon at the National Press Club in Washington January 19, 2007. Bindi and her mother Terri, who lost Steve Irwin in a tragic stringray accident last year, are in the United States on a 10-day publicity tour as part of the "G'day USA" Australian tourism campaign. REUTERS/Jason Reed (UNITED STATES)

Bindi Irwin (R), the eight-year-old daughter of the late Australian wildlife conservationist Steve Irwin, is lifted off the lecturn by her mother Terri following questions during a press conference luncheon at the National Press Club in Washington January 19, 2007. The pair, who lost Steve Irwin to a stingray accident last year, are in the United States on a 10-day publicity tour as part of the "G'day USA" Australian tourism campaign. REUTERS/Jason Reed (UNITED STATES)

Bindi Irwin, the eight-year-old daughter of Australian wildlife conservationist Steve Irwin, reacts to remarks by her mother Terri during a press conference luncheon at the National Press Club in Washington January 19, 2007. The pair are in the United States on a 10-day publicity tour as part of the "G'day USA" Australian tourism campaign. REUTERS/Jason Reed (UNITED STATES)

Bindi Irwin, the eight-year-old daughter of Australian wildlife conservationist Steve Irwin, hugs her mother Terri, at the end of a press conference luncheon at the National Press Club in Washington January 19, 2007. The pair are in the United States on a 10-day publicity tour as part of the "G'day USA" Australian tourism campaign. REUTERS/Jason Reed (UNITED STATES)

Bindi Irwin (L), the eight-year-old daughter of the late Australian wildlife conservationist Steve Irwin, and Irwin's widow Terri (R), take questions during a press conference luncheon at the National Press Club in Washington January 19, 2007. The pair are in the United States on a 10-day publicity tour as part of the "G'day USA" Australian tourism campaign. REUTERS/Jason Reed (UNITED STATES)

Bindi Irwin, daughter of the late Australian wildlife conservationist Steve Irwin, stands at the podium before a press conference luncheon at the National Press Club in Washington January 19, 2007. REUTERS/Jason Reed (UNITED STATES)

Australian actress Kym Wilson poses at the G'Day USA: Australia Week 2007 Penfolds Icon gala in Los Angeles, California January 13, 2007. The late Steve Irwin is being honored with a special tribute at the gala. REUTERS/Fred Prouser (UNITED STATES)

Australian actress Isla Fisher poses at the G'Day USA: Australia Week 2007 Penfolds Icon gala in Los Angeles, California January 13, 2007. The late Steve Irwin is being honored with a special tribute at the gala. REUTERS/Fred Prouser (UNITED STATES)

Australian actress Isla Fisher poses at the G'Day USA: Australia Week 2007 Penfolds Icon gala in Los Angeles, California January 13, 2007. The late Steve Irwin is being honored with a special tribute at the gala. REUTERS/Fred Prouser (UNITED STATES)

Australian actress Melissa George poses at the G'Day USA: Australia Week 2007 Penfolds Icon gala in Los Angeles, California January 13, 2007. The late Steve Irwin is being honored with a special tribute at the gala. REUTERS/Fred Prouser (UNITED STATES)

Australian singer Olivia Newton John poses as she arrives at the G'Day USA: Australia Week 2007 Penfolds Icon gala in Los Angeles, California January 13, 2007. The late Steve Irwin is being honored with a special tribute at the gala. REUTERS/Fred Prouser (UNITED STATES)

Australian actors Russell Crowe (L) and Naomi Watts (R) pose with Terri Irwin at the G'Day USA: Australia Week 2007 Penfolds Icon gala in Los Angeles, California January 13, 2007. The late Steve Irwin is being honored with a special tribute at the gala. REUTERS/Fred Prouser (UNITED STATES)

Australian actress Cate Blanchett poses at the G'Day USA: Australia Week 2007 Penfolds Icon gala in Los Angeles, California January 13, 2007. The late Steve Irwin is being honored with a special tribute at the gala. REUTERS/Fred Prouser (UNITED STATES)