BirdLife International and IUCN have just published the 2023 Red List of birds, this is aimed to updated threatened status of some birds in the world, including several species which have been recorded in Hong Kong:
White-faced Plover: Data Deficient to Least Concern
Siberian Sand Plover: Not recognised (because of a new split) to Endangered
Tibetan Sand Plover: Not recognised (because of a new split) to Least Concern
Oriental Dwarf Kingfisher: Least Concern to Near Threatened
Japanese Paradise Flycatcher: Near threatened to Least Concern.
You can check more other changes here:
https://forums.birdlife.org/2023-red-list-update/
國際鳥盟及國際自然聯盟最近出版2023年的鳥類紅色名錄，其目的是更新全球鳥類的瀕危級別，這亦包括在香港有紀錄的幾個鳥種：
白臉鴴： 由數據缺乏改為無危
蒙古沙鴴： 由未認定（因為是新分拆）上升到瀕危
青藏沙鴴： 由未認定（因為是新分拆）改為無危
三趾翠鳥：由無危升到近危
紫綬帶： 由近危下降到無危
更多的資料，可以看：
https://forums.birdlife.org/2023-red-list-update/
