It's certainly fair to say you haven't seen anything until you've seen the 'Ostrichcopter', with the once-flightless bird having been completely transformed
IS it a bird? Is it a plane? There's a good chance it could be both, if you're anywhere near one of these unbelievable drones.
Dutch inventor Bart Jansen is the man behind these unusual creations, which prove that the sky's the limit when your hobby is turning dead animals into fully-functioning aircraft.
The Dutch dad may make a living from fitting solar panels, but he is better known for his unusual side project, which led to him designing and building creations such as the 'Ostrichcopter' and the 'Sharkjet'.
However, he came from marginally less outrageous beginnings, with his bizarre pastime beginning back when his cat, Orville, got hit by a car in 2012.
Unwilling to just bury his beloved pet, Bart turned his dead cat into a custom quadcopter, which instantly attracted huge online attention.
With technical engineer Arjen Beltman on board, the inventors caused a stir across the globe, with many people slamming the so-called 'Orvillecopter' as a cruel creation.
But the duo were undeterred by the backlash, and the team upped the scale in 2013 when they built their second creation - a drone made from a recently deceased ostrich.
It's certainly fair to say you haven't seen anything until you've seen the 'Ostrichcopter', with the once-flightless bird having been completely transformed into a fully-functioning aircraft.
Eager to outdo himself, the next project involved a smaller subject - a dead rat which had been put down in 2014.
Bart managed to transform the rodent into a more nimble aircraft, before embarking on his next venture, which would see a shark take to the skies.
The 'Sharkjet', built is the same year, is exactly as it sounds, featuring a shark attached to a glider, capable of being propelled metres into the air.
And his next project promises to be the most ambitious yet, since he's working on creating an animal-based craft capable of transporting a person.
However, this project is still just a pipe dream, with Bart sticking to more reasonable, unmanned aircraft for now.
The bold inventor flaunts his creations on his website, where he describes the firm as "a Netherlands based company that produces a wide range of taxidermy animal drones."
Today, Bart uses his site to showcase his increasingly-outlandish animal drones, and even one taxidermy submarine - which really has to be seen to be believed.
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