As you should know here on shakes winter has come

"Winter" last till the 28th of february

So, now we can find these pets:

Water #8
Earth #8
Shadow #8
Fire #9

Moreover:

Light #16: during all december
Fire #17: Valentine's day , 14th of february
Fire #18: 31st of decembrer and 1st of january

During december you all can find christmas epics too.

Good game