I created this Mechanical Bird rig for Project Aifir. This is an enemy model for the game. I used set driven keys to get neck and wings to move along the rails on the model. I also used IK chains to get the neck piston to move properly. 

Model made by Patrick McCallum.
Here is a video showing my rig working in the engine (Unreal Engine 5) I also created the death VFX for the birds. 
ROM created by Nassir Hazim.
Additional views of the ROM.
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