When you saw a bird, How to find the name of that bird ? one thing you can do is take a photo and do a reverse image search on Google or tineye. This method have a lot of limitations. Second method is to use Merlin Bird ID from the Cornell Lab, it is a Free app which can help you to identify a bird and also provide you a lot of information about the bird.
You need to enter the basic things like size, colors and what was the bird doing. The application will display the possible results and you can find the bird from the shortlisted results.
The application will match the details you provided, time of the year, location with the 70 million observations and will display all the possible matches.
This application is available for the iOS devices as of now but it is expected to get an Android application by 2014 June.
Watch the video below to know how it will work and also to know more about the application.
the iOS version should be 7 or higher to use the application. It is compatible with iPhone, iPad, and iPod touch and this app is optimized for iPhone 5.
Get the application from itunes.
If you are a bird watcher, or want to know more about a specific bird this website will be a good resource.