White egrets (Egretta alba) use different strategies to catch fish, once in 11 atttacks the bird was successful in 10! But all fishes were quite small ones. Nioman river in Hrodna city, W Belarus Several pictures and description in Belarusian here https://birdwatch.by/gallery/harrier/vyalikiya-belyya-chapli-universalnyya-rybaki Некалькі здымкаў і апісанне па-беларуску тут: https://birdwatch.by/gallery/harrier/vyalikiya-belyya-chapli-universalnyya-rybaki