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Terri Irwin with her children, Bob and Bindi, at Australia Zoo on Dec. 1, 2006. Bob celebrated his third birthday with Humphrey B. Bear, the Smurfs and Santa Claus before a crowd of well-wishers.
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Terri, Bob and Bindi Irwin stand before a Thomas the Tank Engine birthday cake with Humphrey B. Bear at Australia Zoo on Dec. 1.
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Terri, Bob and Bindi Irwin sang Happy Birthday to Bob, who turned three on Dec. 1. His father, animal conservationist Steve Irwin, died in September after he was stabbed by a stingray's barb.
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Thousands of people came to the Australia Zoo on Dec. 1 to celebrate Bob Irwin's third birthday. His family owns the wildlife park.
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Terri, Bindi and Bob Irwin met surprise guest Humphrey B. Bear at Australia Zoo as they celebrated Bob's third birthday on Dec. 1.
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The Australian Associated Press said that Terri Irwin, who did not give any interviews at the event, recently raised concerns about how her children were dealing with their father's tragic death when she said she had taken them to see a psychologist.
