Our surveyor found a European Golden Plover at Geiwai 16/17 in Mai Po Nature Reserve this morning.
Noted the bird with chunky body and head, larger size compare with Pacific Golden Plover in the 2nd photo, proportionately short legs (PISTON & HEINL 2001)
Also the underwing color is key feature to distinguish Pacific Golden Plover and European Golden Plover. European showed Whitish underwing and Pacific showed a greyish.
For more details for ID, there are an article about 1st record of European Golden Plover in Alaska. please see
https://sora.unm.edu/sites/default/files/journals/wb/v32n03/p0179-p0181.pdf
Thanks for Mr. Yu Yat Tung & other friends to give suggestion to ID
Thanks for Mr. John Holmes to get a good photo of the underwing to look more details to confirm the ID
