虫喰

From 虫食い (mushi-kui), from the birds’ diet.

• IPA^(key): [mɯ̟ɕikɯ̟i]

虫(むし)喰(くい) • (mushikui) 

1. leaf warblers (Phylloscopus), a genus of insectivorous birds

As with many terms that name organisms, this term is often spelled in katakana, especially in biological contexts (where katakana is customary).

• 森虫喰(モリムシクイ) (mori mushikui, “wood warbler”)
• アメリカムシクイ (Amerika mushikui, “New World warbler”)
• メボソムシクイ (meboso mushikui, “Japanese leaf warbler”)