I have been taking pictures of birds for a few years now, however I have not been keeping track of the birds I’ve seen. So

A bird does not sing because it has an answer. It sings because it has a song. ~Chinese Proverb
Contains the (unique) birds that I have identified in 2015
I have been taking pictures of birds for a few years now, however I have not been keeping track of the birds I’ve seen. So