| Species | Date | Count | Location | Observer | Checklist |
|---|---|---|---|---|---|
| Common Swift Apus apus | 27th May 2025 5:19 p.m. | 1 | Centro Náutico de Paço de Arcos Oeiras, Lisboa | Douglas Dufresne | |
| Pallid Swift Apus pallidus | 27th May 2025 5:33 p.m. | 1 | Praia da Cruz Quebrada Oeiras, Lisboa | Douglas Dufresne | |
| Western House Martin Delichon urbicum | 27th May 2025 5:08 p.m. | 1 | Passeio marítimo de Oeiras (INATEL) Oeiras, Lisboa | Douglas Dufresne |