Hirundines circle on warm air, 'search image' hunting by size and weight of prey. The common enough interspersed with occasional Red-rumped Swallow.
Above them circle the migratory Lesser Kestrel. Gliding not hovering, the gathering rotates upwards on clear blue skies.
Alighting on stripped arid ground adjoining the slow moving Rio Guaniana, systematic pouncing on insects that cling to inadequate ground cover ensues.
Occupying holes in ancient city walls, unseen young 'beg' with a series of high pitched 'keerrl' calls. Proof of breeding success.
Arriving here together, to colonise the city together. To breed and leave together for the arduous journey south together. Remaining social together.
Falco by name and Falco by nature, but naumanni not tinnunculus, a different beast altogether...