Yes perfectly legal. Crow hunting falls under small game laws not migratory birds. So you could in fact use lead shot while in an area where waterfowl are hunted, as long as you are not hunting waterfowl. You are also exempt from using fluorescent orange if you are in a stationary position ie duck blind or boat.
You could shoot a phesant while duck hunting as long as the phesant season is open and you have the tags.
Crow does not require HIP and a duck stamp.