Black-Faced Spoonbill in Vietnam

I had a chance to see Black-faced Spoonbill which is a  winter migrator in Vietnam,  It's an endangered species (Current IUCN Red List category).
As a report of IUCN, the Black-Faced Spoonbill population as of 2012 census was recorded at 2,693 birds, with an estimation of 1,600 mature birds all around the world.
And there were 20 of them when I came Xuan Thuy Nature reserve. A staff of Xuan Thuy Nature reserve told me there were 39 last year so there are some more of them are coming. And here, we had a pic of flying Black-faced Spoonbill:

As I observed , they spent most time of the day perched on the mangrove trees in protected areas. Especially in these days of bad weather. During the time keep stay on mangrove trees, I saw an intersting behavior of them that I'm going to tell in next post :)
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