How to Speak Blue Jay Part 1 (Alarm Calls) Blue Jays, and other Corvids are very smart birds, and their variety of calls reflect their intelligence Blue jays are really good at mimicking nearby predatory birds Its thought that mimicking hawk calls helps them scare other birds away from bird feeders and other food They can also be recognized by their jeer call This is their alarm call that they use to help point out threats to their peers, and they even use it as their gang up on larger predatory