What is a seasonal pet in Webkinz?

A Webkinz Seasonal pet is a pet that you can only adapt in a certain time. There are the seasonal pets listed below. On the right of each pet name, it also tells you when you can get it. Ones with question mark means I don't know when you get it:

Black Cat - Around Halloween Time

Reindeer - Around Christmas Time

Penguin - Winter

Love Frog - Around Valentine's Day Time

Snowman - Winter

Purple Monster - Around Halloween Time

Minty Reindeer - Around Christmas Time

Lamb - Spring

Cotton Candy Bunny - Around Easter Time

Love Dino - Around Easter Time

Love Lian - Around Easter Time

Mistletoe Mouse - Around Chrismas Time

Clover Puppy - Around St. Packtric's Day Time

Love Kitten - Around Valentine's Day Time