\"I can't imagine how proud he'd be of all you do for worldwide wildlife conservation but also that you are always there for Bindi and I to give us a hug when we need it most,\" he added.

Bindi Irwin also shared a loving tribute for her mother on her birthday, featuring a photo of them from her wedding day.

\"You were born with a purpose to change the world,\" the 21-year-old wrote in a message to her mom. \"You're my best friend and every day you show me what it means to be a woman warrior. I love you so much. Happy Birthday!\"

View this post on Instagram

A post shared by Bindi Irwin (@bindisueirwin) on Jul 19, 2020 at 1:43pm PDT

Bindi Irwin's husband, Chandler Powell, also sent his well-wishes, calling Terri Irwin \"one of the most extraordinary women in the world.\"

\"Terri, your courage, leadership and thoughtfulness towards everyone is amazing,\" he wrote. \"Can't wait to celebrate the first birthday with you as my 'Mum-in-law'!\"

View this post on Instagram

A post shared by Chandler Powell (@chandlerpowell) on Jul 19, 2020 at 2:12pm PDT

It appears the family spent time together in the Sunshine Coast Hinterland to celebrate the birthday. Bindi Irwin described the crew's time away together as \"incredibly peaceful.\"

View this post on Instagram

A post shared by Robert Irwin (@robertirwinphotography) on Jul 20, 2020 at 4:11am PDT

\"So much laughter, good food and your guitar playing!\" she wrote in a comment on her brother's post.

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