The National Geographic Guide to Birding in North America
In these 24 highly enjoyable lectures, National Geographic takes you into the multifaceted world of birding, focusing on the astonishing range of bird species in North America. With its wide spectrum of wildlife habitats, North America is an endless region of interest for birders from around the world.
Merlin Bird ID
From the Cornell University Lab of Ornithology. Merlin offers quick identification help for all levels of bird watchers to learn about the birds across the Americas, Europe, Asia and Australia.
eBird Mobile makes it easy to record the birds you see in the field, and seamlessly link these observations with eBird–a global online database of bird records used by hundreds of thousands of birders around the world.