Our favorite birding APP is called Merlin. It is from the Cornell Lab of Ornithology.
Our favorite WEBSITES about birds are
This site, also from the Cornell Lab of Ornithology, has great information about all kinds of birds including how to identify songs. They have a fun game called Bird Song Hero that helps you learn to listen to bird songs.
This site also has a bird guide as well as a Get Outside tab that includes an Activities and DIY section and a Photography section.
DIY BIRD FEEDERS
For some very simple bird feeders you can make with things you probably have around the house, try happyhooligans.ca and do a search for bird feeders.
Youtube has many, many videos that show how to make a variety of bird feeders.