I was very certain that it was as well but it looks like it's just weirdly smoothed after being downscaled. Here's a source with a higher quality image: https://www.radiozwickau.de/beitrag/ausgebuexter-polarfuchs-haelt-nickerchen-in-weisskeissel-770885/
Edit: Or follow the link OP provided, I initially didn't see that.
I was very certain that it was as well but it looks like it's just weirdly smoothed after being downscaled. Here's a source with a higher quality image: https://www.radiozwickau.de/beitrag/ausgebuexter-polarfuchs-haelt-nickerchen-in-weisskeissel-770885/
Edit: Or follow the link OP provided, I initially didn't see that.