Glory
There's definitely the potential for glory as a zoologist. For starters, there are all kinds of awards and accolades. Your mom can get them framed for you so that you can put them on your office wall (which will be awesome).
More than anything, though, there's the potential for personal fulfillment. You really can make a difference in the lives of animals and humans as well. Whether you save an entire species or one lonely wombat, or make a medical discovery in a lab, you might just have something to be proud of.