House Martin / Avión común
Maximum size: 15 cm
They are summer migratory and can be found in all kinds of urban areas.
They like the vicinity of water-flows, rivers, streams, ponds, pools, and
particularly lagoons and wetlands.
They fly higher in the air than the swallows and in large flocks, particular
early in the day, as well as at dusk.
They nest under roof-overhangs, under roofs in barns, indoor and outdoor
walls, under balcony-overhands, on cliffs and slopes, etc. Their nests
are often jumbled together.
They feed on insects they snap them up in mid-air