You can only keep 2 each of special limited dragons.
Here is a page to help you know how many you have and can have.
http://dragcave.net/help/limits
Any extra eggs you breed/catch are auto-abandoned in 30minutes. It's been this way since the first year (when you could only have 1 Holly.)
Here is a page to help you know how many you have and can have.
http://dragcave.net/help/limits
Any extra eggs you breed/catch are auto-abandoned in 30minutes. It's been this way since the first year (when you could only have 1 Holly.)