Fernando Viera — Zapala, Province of Neuquén

Official source account — 2020 annual report, printed page 148: Fernando Viera's Zapala photograph showed several blurred airborne forms. CIAE examined a streamlined body with unequal ends and an apparent transparent membranous wing. It considered flying insects in a swarm the supported explanation, with blur caused by motion and closeness to the camera. The agency classified the case Type B and noted that the objects were noticed only after the photograph was reviewed. The summaries distinguish reported observations from the agency’s proposed explanations. Source Type A/B ratings describe explanatory confidence and are not encounter classes. The map uses an approximate GeoNames locality centroid, not the observation point.