The chick is 3 weeks old here- are you able to see the large lump below the throat?  It is called a crop, which is a muscular pouch where they store food. A large crop like this shows us that the parents are feeding them well.

The chick is 3 weeks old here- are you able to see the large lump below the throat? It is called a crop, which is a muscular pouch where they store food. A large crop like this shows us that the parents are feeding them well.