(Mostly) young European siskins (grönsiskor) feeding in a birch on a windy day, Hålanda, August 20, 2013. I have not tried to filter away the wind noise or the loud sounds from nearby human activities. The fine, high-frequent sounds from the siblings are still clearly audible. Canon XL-H1A with Canon FD, Telinga Pro 5 parabole with stereo DAT mic.