AJP's lunch in Kowloon Park was interrupted this week by the appearance of a flock of around 200 Black-Crowned Night Herons (Nycticorax nycticorax). In Hong Kong they occur as residents, migrants and winter visitors. These were probably migrating north to breed. They nest and roost (mainly by day) in colonies.
Enlarged from the iPhone photograph, the black crown and the plumes that develop in the breeding season can be seen |
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