noun
Oriental plover; Oriental dotterel
A migratory shorebird (Charadrius veredus) found in East Asia and Australia. The name is a specific species designation.
オオチドリは春と秋に日本を通過する渡り鳥です。
The Oriental plover is a migratory bird that passes through Japan in spring and autumn.
チドリ is the general term for plovers; オオチドリ refers specifically to the Oriental plover species.
From 大 (おお, 'large') + 千鳥 (ちどり, 'plover'). The exact derivation is uncertain, but the name likely refers to its size relative to other plovers.