A400M damaged following bird strikes, see:
- https://www.airlive.net/alert-a-raf-a400m-suffered-a-birdstrike-puncturing-the-fuselage/
- https://www.airlive.net/incident-a-spanish-air-force-a400m-suffered-a-birdstrike-at-zaragoza-airport/
Certification criteria might not extend beyond 4lb birds at a certain velocity, but that should not preclude an assessment of vulnerabilities and subsequent implications of threat with more kinetic energy.