Inheritance vs enum properties in the domain model

Question

I had a discussion at work regarding \"Inheritance in domain model is complicating developers life\". I\'m an OO programmer so I started to look for arguments that having in

Answer 1

Having an enum is like throwing a party for all those Open/Closed Principle is for suckers people.

It really invites you to check if an animal is of a certain type and then apply custom logic for each type. And that can render horrible code which makes it really hard to continue building on your system.