Observation date: September 21, 2013
Submitted by: John van Dort
Specimen type: Photograph
Observation notes: Good migration of this species observed (around 25 in half an hour of watching, roughly one per minute). Some perched to feed, like this individual, the majority kept flying. Overcast, with modest south wind, and occasional light rain.
Verified by: John van Dort
Verified date: September 21, 2013
Coordinator notes: None.