Hello!
It is currenty impossible to obtain this toy (which is the only way some hunter pets can be tamed ) due to the quest for it never popping up after the requirements are met.
This issue has been brought up multiple times, on multiple platforms and has been a bug for well over a year now.
I am posting it once more in hopes that something will finally be done about it.
The issue has been cataloged here on the EU WoW forums: