noun
lesser spotted woodpecker
A small woodpecker species (Dendrocopos minor). The name is usually written in katakana, as is common for many bird names in Japanese.
コアカゲラはヨーロッパやアジアに広く分布している。
The lesser spotted woodpecker is widely distributed across Europe and Asia.
アカゲラ (great spotted woodpecker) is a larger, more common woodpecker species. コアカゲラ is the smaller 'lesser' counterpart.
From 小 (ko, 'small') + アカゲラ (akagera, 'great spotted woodpecker'). The name distinguishes it as the smaller species.