It is illegal to move a nest with eggs or chicks in it. If you need to move the nest, you may need a permit.
There's a bird nesting near my house. What should I do?
Bird prevention; How to get rid of birds nesting in your eaves
Guide to relocating a birds nest from your roof - Peak Services Las Vegas
4 Easy Steps to Remove a Birds Nest with Eggs
How to identify bird nests - Country Life
Can You Move a Bird Nest Near Your Home? - Birds and Blooms
The Nest Missouri Department of Conservation
Build a Bird Nest Scientific American
Can You Move a Bird's Nest?