Number observed: 2
Details: With White-broweds, see below. Once I got binoculars I got on to about 60-70 birds - only 2 of those were Masked, so seemed to be very few in the flock.
Number observed: 600
Details: Min number, could easily have been 200+ more. A loose low-flying flock which seemed to move in from the north and disappear off to the southwest in clear, still mild conditions following a couple of days rain. Heard well before they became visible. Birds were mostly just above canopy level and circling as opposed to moving directly south, so remained in the vicinity around 20 mins.