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Orthetrum pruinosum neglectum

Common Red Skimmer

Orthetrum sabina sabina

Green Skimmer

Orthetrum triangulare triangulare

Lesser Blue Skimmer

Orthotomus sutorius

Common Tailorbird

Oryzias curvinotus

Rice fish

Osteochilus salsburyi

Osteomugil cunnesius

Longarm Mullet

Osteomugil perusii

Longfinned Mullet

Otus lettia

Collared Scops Owl

Otus sunia

Oriental Scops Owl

Ovophis tonkinensis

Tonkin Pit Viper

Oxyeleotris marmorata

Marble goby