The dawn chorus is all the birds singing together as the sun comes up. Listen to the dawn chorus.
It is loudest about half an hour before sunrise, when the light is still too poor for feeding. Sound carries better in the cool still air of dawn, which is why the singing happens then.
1noundawn chorusAll the birds singing together as the sun comes up.
“The dawn chorus in May starts at about half past three.”
dawn chorus is a sound.
Dawn plus chorus; the phrase became common with the spread of early morning radio broadcasts of birdsong.
Proto-Indo-European
*dʰegʷʰ-
English, today
dawn chorus
From dawn + chorus. dawn choir.
Etymology from Wiktionary, CC BY-SA
Practised in Birds