| Species/Soort | Family/Familie | Order/Orde | Class/Klasse | Phylum/Stam | Kingdom/Rijk |
|---|---|---|---|---|---|
| Eurasian crag martin | Swallows, martins | Perching birds | Birds | Chordate | Animals |
| Rotszwaluw | Zwaluwen | Zangvogels | Vogels | Gewervelden | Dieren |
| Ptyonoprogne rupestris | Hirundinidae | Passeriformes | Aves | Chordata | Animalia |
Cliff swallows are active around the entrance to the old Zafarraya railway tunnel. And it is a suitable resting place, swallows also like to brush their feathers every now and then,