noun
long-tailed tit; long-tailed bushtit
A small, fluffy bird with a very long tail, common in Japan and Eurasia. Scientific name: Aegithalos caudatus.
公園でエナガの群れを見かけた。
I saw a flock of long-tailed tits in the park.
The kanji 柄長 literally means 'long handle/stem', referring to the bird's notably long tail. The reading えなが is a kun'yomi compound.