Actually, Relatively small birds have been known to penetrate the windshield of a Cessna and injure the pilot or even wreck the engine of a single engine of a jet like a BAE Hawk.
For an airliner like an Airbus A320, a small bird can damage the engine fan blades and require an expensive repair. If the bird goes through the core even minor damage becomes very expensive to fix.
See video of a Canadian CT-155 Hawk (Not F-16 as titled) https://www.youtube.com/watch?v=zN_Zl64OQEw
For an airliner like an Airbus A320, a small bird can damage the engine fan blades and require an expensive repair. If the bird goes through the core even minor damage becomes very expensive to fix.