Many birders enjoy hearing about species splits, that is, when the birding-powers-that-be (the American Ornithological Society) decide to split one species into two or more. If a birder has seen that bird in the two geographical areas defined by the split, they have an "armchair life-bird," that is, a life-bird they can add to their list without leaving home!
In a similar vein, I can find life-birds just by reviewing photos from previous trips! While I don't keep an actual life-list, it's always a nice feeling to discover a species I don't remember having seen or photographed before.
Since I take more photos than I can easily review in a timely manner, I tend to focus on more artistically photographed birds, and might overlook others. Which can leave some interesting species behind!
Here is just one example, the Chestnut-sided Shrike-Vireo. (that's a mouthful!)
Since I photographed this bird eight years ago near Puerto Vallarta, and didn't post the photo at the time, I had forgotten ever having seen it. So, when re-viewing the birds of the trip, I was happy to come across it.
Life-bird!
