Feeding-trip duration in 2010 Preliminary data - 9 timed feeds out of 28 (32%+-19%). Mean duration
of timed feeds = 29m07s, median duration = 38m.
Productivity in 2010 There were at least 17 focal sites. 8 sites produced chicks that
either fledged, or were of fledging age (+15days old) when last seen. This gives a productivity of no more than 47%.