While Australia is currently battling the most devastating bushfires seen in decades, the Irwins have been working tirelessly, and heroically, to try and save as much of the native wildlife and bushland as they can.

Yesterday, Bindi Irwin penned an emotional Instagram post amid the horrific blazes and it's truly heartbreaking.

Keep scrolling for the full story, including the full scale of the devastation.

Australia is being ravaged by one of the worst bush fire crises the world has seen in decades.

Due to soaring temperatures and one of the worst droughts in years, the relentless fires have been burning since September. We're currently in January. Just let that sink in.

New South Wales is suffering immensely at the moment.

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There have been fires reported in every state, but New South Wales is truly taking a beating by bush fires and is undoubtedly the hardest hit. According to CNN, so far, in New South Wales alone, more than 2000 houses have been destroyed.

NSW declared a state of emergency last month.

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What does this mean? Well, it grants "extraordinary powers" to the NSWRFS commissioner, including the authority to allocate government resources and direct government agencies in taking action, according to CNN.

The raging fires have had a devastating impact...

The BBC reported that more than 100 bush fires continue to burn in populated coastal and inland regions to the city's north.

Twenty-eight people have been confirmed to have died in the fires since they started...

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Including several volunteer firefighters.

And it's not just the flames themselves that are having deadly consequences...

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Last month, the smoke was so bad in Sydney that air quality measured eleven times the "hazardous" level, CNN reports.

The Australian fire services have been stretched to their limits.

Firefighters all over the country have been tirelessly battling the formidable blazes and are struggling to contain them.

Australia has even been forced to make a global call for help...

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And it was Canada that was the first to respond and take action. The Canadian Interagency Forest Fire Centre, based in Winnipeg, answered the call for help after realizing the bush fire situation is expected to continue for many more weeks and gave up their Christmas to help fight the raging fires.

Other countries offered their assistance...

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Including the U.S. and New Zealand, who have sent in more firefighters to try and help tackles the blazes.

But even with assistance from overseas...

There seems to be no end to the blazes. And those who escaped the flames have lost their homes, with all their possessions perishing to the flames.

People have been desperately fleeing to beaches for cover.

And are left stranded awaiting evacuation. It's a truly heartbreaking sight.

How long could the fires actually be burning for?

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Sadly, Australia has only just entered summer, meaning temperatures could remain high for some weeks. In fact, temperatures usually reach their highest during January and February, so there may be no end in sight for months.

The fires have also had a devasting impact on wildlife.

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Several of Australia's native species have been affected including kangaroos, koalas, wallabies, possums, wombats, and echidnas.

Koalas have been amongst the hardest hit.

It's believed that at least a third of koalas in New South Wales alone have perished in the flames.

But what's even more concerning...

Tracy Burgess, a volunteer at Wildlife Information, Rescue and Education Services (WIRES), explained how concerning it was that rescuers were not receiving as many animal patients as they expected.
"We're not getting that many animals coming into care. So, our concern is that they don't come into care because they're not there anymore, basically," she told Reuters.

And that's not all...

It's feared that animals that managed to survive the flames will need huge amounts of humanitarian assistance to get populations anywhere near back to what they used to be.

Residents have even been trying to rescue helpless animals themselves.

And of course, we all remember Lewis the Koala who was heroically rescued by a woman using the clothes off her back.

Over a billion animals have died.

Ecologists from the University of Sydney have said that it's thought over a billion mammals, birds, and reptiles have died since September.

It's a heartbreaking statistic.

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But, despite the devastating reality of what is happening to the country, not all hope is gone.

Australian communities have rallied together in a bid to save the country's struggling wildlife.

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But there is one family, in particular, who have gone to exceptional measures to help the animals, birds, and reptiles of Australia.

The Irwins have stepped in.

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The late wife and children of the Australian wildlife enthusiast, and overall legend, Steve Irwin.

Terri, Bindi, and Robert are just as passionate about the planet as Steve was.

And the family have dedicated their lives to continuing Steve's legacy after his untimely death in 2006.

The 3 of them work together to provide vital conservation for animals and the environment...

And have kept Steve's pride and joy, Australia Zoo, up and running successfully.

But, amid the horrific bushfires, people have been concerned about the safety of the zoo.

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Is Australia Zoo and it's thousands of inhabitants safe from the deadly blaze?

The zoo currently remains safe from the blaze.

"With so many devastating fires within Australia, my heart breaks for the people and wildlife who have lost so much. I wanted to let you know that we are SAFE. There are no fires near us @AustraliaZoo or our conservation properties." Keep scrolling to see Bindi's latest, emotional Instagram post.

And the number of animals treated at the Irwin's animal hospital is simply staggering.

"Our Wildlife Hospital is busier than ever though, having officially treated over 90,000 patients." 90,000 animals, birds, and reptiles. What an incredible accomplishment.

The Irwins have promised to continue fighting for the animals.

"My parents dedicated our Australia Zoo Wildlife Hospital to my beautiful grandmother." She wrote, "We will continue to honor her by being Wildlife Warriors and saving as many lives as we can."

The Irwin's facility is catering to a variety of different animals.

There are possums, birds, koalas, kangaroos, platypus, and many other types of animals and reptiles being cared for and nursed back to health at their purpose-built facility.

But, despite their remarkable work...

It is still an undeniably heartbreaking situation, and Steve's youngest child, Robert, sixteen, became visibly emotional while discussing their work on Monday on live TV.

It was a difficult watch.

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Robert, alongside his mom, Terri, appeared live on Australia's Sunrise breakfast show to discuss the catastrophic effects the bushfires have had on the native wildlife.

They explained how the fate of the koalas, in particular, isn't looking good.

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"Their instinct is to go up," Terri explained when asked about the Koala's chances of survival. "Safety is in the top of the tree. But in the hot fire, the eucalyptus trees have so much oil in their leaves that they ignite and actually explode."

Terri went on to explain how the koalas are suffering horrific deaths...

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"Being able to treat and help koalas is few and far between because they're basically incinerated, which is absolutely heartbreaking."

And, all while Terri was explaining the koala's sorry fates...

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Robert stood alongside her, nodding solemnly and looking on the verge of tears.

The teen suddenly became choked up. 

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"It's definitely an ongoing issue and we're just trying to do our best to help in any way we can," Robert explained, as he fought back tears.

Robert's face said it all.

"But it's a pretty tough situation. We're absolutely heartbroken." You can watch a snippet from their interview above.

People were quick to take to Twitter to praise the teen...

And many noted how Robert is a fine example to the younger generation.

But everyone was saying the same thing...

Steve would be so proud.

Yesterday, Bindi penned an emotional Instagram post about her father.

Amid the horrific bushfires, Bindi told her followers how much she wished her Dad was here. "Dad spent his life working so hard to protect wildlife and wild places, especially in Australia."

She continued:

"I wish he was here right now to give advice and strength during this time of devastation with the bushfires."

Steve will be looking down on his family.

"I know that his spirit lives on through our conservation work and I hope together we can make him proud." Heartbreaking. Want the latest on the bushfire crisis? Scroll on for the pictures that are truly summing up just how harrowing the blazes are.