House Martin Flock

Observation - House Martin Flock - UK and Ireland. Description: Large number (~100) of birds feeding on large black flies that were flying close to the ground around the summit of Twmpa (Lord Hereford's Knob) in the Black Mountains. Low cloud had just lifted from the hill-top at about mid-day.

Large number (~100) of birds feeding on large black flies that were flying close to the ground around the summit of Twmpa (Lord Hereford's Knob) in the Black Mountains. Low cloud had just lifted from the hill-top at about mid-day.