Bindi Irwin, the daughter of Steve Irwin - nicknamed the Crocodile Hunter - has paid moving tribute to her late father on Instagram, 14 years on from his untimely death.

This comes after Bindi recently revealed that she was pregnant with her first child. The wildlife activist took to Instagram to share the news with her 3.6 million followers last month.

Watch Steve Irwin talking about the birth of his daughter, Bindi:

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Sharing a post of them holding a baby-sized Australia Zoo uniform, Irwin wrote: "Baby Wildlife Warrior due 2021."

She continued: "Chandler and I are proud to announce that we’re expecting! It’s an honour to share this special moment in our lives with you. Though I’m still in my first trimester, we really want you to be part of our journey from the beginning of this new life chapter.

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"We couldn’t wait to share the news as this beautiful little being has become the most important part of our lives. Your support means the world to us.

"Please let me know your best advice and send good vibes & prayers to our little sweetheart. Love & light."

And taking to Instagram once more, to pay tribute to her father 14 years on from his tragic death, Bindi Irwin wrote, "You’re always in my heart."

The caption was posted alongside a wonderful picture of father and daughter in the sand together.

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And her fans sent their thoughts and best wishes to Bindi on Instagram.

"He would be so very proud of you," wrote one commenter, while another added, "He was a wonderful fun person to watch, we all miss him too Bindi."

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A third commenter added, "Your father had such joy in his heart. It radiated when he was with his family and all the wildlife around him. I’ve never been more affected than when I see pictures of you with him at this age. So sweet! You and Robert certainly inherited his love of nature and life. ❤️ To your entire family. Can’t wait to see the little one."

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Robert Irwin took to Instagram yesterday to share a post regarding crocodile research that was started by his father. He wrote:

"Today marks the end of our annual crocodile research trip to the #SteveIrwinWildlifeReserve. Over the last month we caught 39 crocodiles, from ‘Ryan’ who tied for being the largest croc in the system at over 15 feet long to little ‘Pingu’ at just under 3 feet. This year brought the total crocs tagged to 213 in the study.

"This research was all started by Dad and to this day we still use the same methods of capture that he created. Our crocodile research began 17 years ago when Australia Zoo joined forces with the University of Queensland to conduct world leading science and lead the charge in crocodile conservation. And today we get to keep this vital work going, using state of the art solar tracking technology to learn even more about these amazing animals make sure Dad’s mission and passion for croc conservation continues!"

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Bindi previously revealed how she cried "happy tears" after a fan painted a wonderful picture from her wedding day that included her late father standing at her side.

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The conservationist captioned the gorgeous post:

"My family. Our wedding day. This artwork gave me happy tears. Thank you to ‘The Monkey Brush’ for creating such a beautiful piece, it means the world to me."

The beautiful artwork was created by artist Debb Oliver, who runs the illustration studio The Monkey Brush.

Bindi Irwin pays tribute to dad Steve 14 years after his untimely death