Under what condition are Ruby-crowned Kinglets most likely to consume suet?

Answer

When their primary food source (insects) becomes difficult to find

Suet consumption is highly contextual, usually occurring when the availability of fresh insects and spiders plummets during transitions to winter.

Under what condition are Ruby-crowned Kinglets most likely to consume suet?

#Videos

Ruby- crowned Kinglet eating suet on 01.16.24 - YouTube

dietbirdSüetInsectivoreKinglet