What can be called the "Spyro Canon" is made up of three distinct series of video games: the Original Spyro series, the Legend Of Spyro series, and the Skylanders series.
While these series are not explicitly said to be direct continuations of events; each series being technically a reboot of the last, it is in fact possible to logically unite the three into a grand unified universe, using some clever thinking to explain the various discrepancies between the three.
For several reasons; some of which will be discussed in greater detail further on, I have come to the conclusion that the Legend Of Spyro series takes place before the Original series, and the Skylanders series takes place in another world some time after this. These reasons include the following:
*Technology and relations with other species appears to be much more advanced in the Original series than in the Legend Of Spyro series.
*The Dragons of the Original series are largely bipedal while the Legend Of Spyro