How to Speak Blue Jay Part 2 (Companion Calls) As mentioned in part one, blue jays have many calls and use their calls for many different purposes Their jeer calls that can be used as an alarm, when used more slowly are a way to keep track of their companions Blue jays also communicate with intra pair calls that sound like little chatter between the two birds And females produce a rattle call that is used to alert the pair of an intruding jay in their territory Are you hearing any blue jay chatt