They thrust and swing the front of the bills in the ponds or the sandy shore after the ebb, looking for shrimps, aquatic plants and insects
它們進食時則是用扁平的喙插進池沼或退潮后
露出的沙灘中,頭部左右搖動以尋找小
蝦、水草、水棲昆蟲等食物。
Under the programme, epd staff collected samples of marine water and bottom sediment from across seven different water control zones representing the full geographical range of hong kong waters : mirs bay, tolo harbour, junk bay, victoria harbour, southern, north western and deep bay. at the same time, samples of marine biota including fish, bivalves, shrimps and mantis shrimps were collected from five water control zones
根據監測計劃,環保署人員在全港的七個水質管制區內採集海水及海底沉積物樣本,其中包括大鵬灣吐露港將軍澳維多利亞港南區西北部及后海灣水質管制區,此外並在五個水質管制區內收集海洋生物樣本,包括魚類雙殼貝蝦及瀨尿蝦作化驗。