I apologise in advance for the long post. A relative bought a pair of cockatiels in March of this year. Two weeks after, one of them had a seizure and sadly passed away with no one ever finding out what had happened to it. The other one seemed to thrive from this day forward, and all was okay...

I apologise in advance for the long post. A relative bought a pair of cockatiels in March of this year. Two weeks after, one of them had a seizure and sadly passed away with no one ever finding out what had happened to it. The other one seemed to thrive from this day forward, and all was okay...