This research group has some papers on the subject. https://vision.cornell.edu/se3/projects/visipedia/
This is a simpler approach (that could potentially be extrapolated to your bird species) that would be easier for a first machine learning project. https://towardsdatascience.com/image-classifier-cats-vs-dogs-with-convolutional-neural-networks-cnns-and-google-colabs-4e9af21ae7a8