Of course! It'll be that much cooler to see them in zoos and be in pictures with them.

Kidding aside, rarity increases the value of anything, be it objects, skills, or species. Humans tend to see value in existence itself, like how they value human life even if that human has negative value to society (consumption>contribution). The same can be said for antiques, etc. The rare exception would be deadly viruses and the like, but even then I think we keep samples of them in some lab for research.