Here is a great starter list of links to on-line resources (indoor & outdoor) from DIY activities to school curriculum and bird-themed crafts for you and your family to enjoy if you are home.
Bird Song Hero - On-line class on learning bird songs
The Cornell Lab: BIRDSLEUTH - Many activities about birds and their habitats plus grade specific curriculum
Flying Wild - Bird-focused curriculum and activities for school ages
ODC Backyard Learning Crusade - Grade specific bird and backyard activities
Audubon River Pathways Prorgam - Standards-alligned high school program focused on Arizona's rivers and careers in conservation
Bird Origami - A variety of fun origami birds; the owl is super cute!
More Bird Origami - Easy origami hummingbird; make it as you watch
National Environmental Education Foundation - Tons of grade specific environmental education activities
NEEF Educational Apps - Environmental education apps for elementary, middle, and high school students (National Environmental Education Foundation)
Explore livecams - Tune into live wildlife camers from around the globe!
Project Learning Tree - Fun activities to do at home with kids
Children in Nature Network - Tools and resource kits for the outdoors
Ranger Rick/National Wildlife Federation - Full page of activities, games, crafts, & more!
Skype a Scientist - Connect with a scientist from around the globe!
Ask a Biologist - Biology learning resource tool for students, teachers, parents, and life-long learners
Arizona Department of Water Resources - Educational resources to help home-bound Students build an undertanding of Arizona's rivers and water
iNaturalist App - Easy to use app to identify living things, see what others are seeing, help identify
SEEK App - More kid-friendly version of iNaturalist; identification app
eBird App - Bird tracking app
Celebrate Urban Birds - Community Science activity; see and report on birds where you live
Monarch Larvae Monitoring - Community Science project; monitor milkweed patches for monarch larvae