"They are different animals!"
Translation:To jsou jiná zvířata!
To add to this, different and another may be used interchangeably, this is not the case.
Think 'i want another coffee, in addition to this coffee' vs 'i want a different coffee, this was not the coffee i ordered'. Very similar but the meaning is addition v replacement.
Hope that helped and didn't confuse.
Hard vs soft adjectives. Soft adjectives decline differently. See the tips & notes provided (web only atm).
This is the common "to je/je to" and "to jsou/jsou to" pattern. It is always TO for all genders and both numbers.