The head (one of Visvarupa's three heads, that were cut of by Indra) meant for drinking wine was transformed into a kalavinka (sparrow), and the head meant for eating food became a tittiri (common partridge)

Expressions researched:
"the head meant for drinking wine was transformed into a kalavinka (sparrow), and the head meant for eating food became a tittiri (common partridge)"

SB Canto 6

Once upon a time, however, the King of heaven, Indra, understood that Viśvarūpa was secretly cheating the demigods by offering oblations on behalf of the demons. He became extremely afraid of being defeated by the demons, and in great anger at Viśvarūpa he cut Viśvarūpa's three heads from his shoulders.

SB 6.9.4, Translation:

Once upon a time, however, the King of heaven, Indra, understood that Viśvarūpa was secretly cheating the demigods by offering oblations on behalf of the demons. He became extremely afraid of being defeated by the demons, and in great anger at Viśvarūpa he cut Viśvarūpa's three heads from his shoulders.