What is the fine-grained topic of the following text: I know most people don’t care, but I am a birdwatcher bird freak so here’s a list of the birds from left to right (they are all can be found in Columbus): Northern Parula, Barn Swallow, Yellow Warbler, American Goldfinch (Male), Cape May Warbler, Indigo Bunting, Yellow Warbler, American Goldfinch (Male), Palm Warbler, Barn Swallow, American Goldfinch (Female). Only return the topic.
Bird species found in Columbus