Hi,
Could you, please, help me and check these plovers?
Thank you
Petr
my best guess:
1 Little Ringed Plover: Vietnam, Phan Rang, Nui Chua NP
2a,2b Long-billed Plover: Vietnam, Phan Rang, Nui Chua NP
3 ?with recent splits, I am not sure?: Borneo, Pulau Tiga NP