Yes — hazelnuts are a safe, nutritious treat, and the hard round shell is a real foraging challenge for strong beaks.
Keeper's noteUnsalted, plain only — never chocolate-hazelnut spreads, which contain cocoa and sugar. In-shell for big beaks; shelled for smaller ones.
Why hazelnuts is good for parrots
Hazelnuts are non-toxic and bring healthy fats, protein, and vitamin E. They're fatty, so portion them as treats. The tough shell makes them ideal enrichment for larger parrots that enjoy a cracking challenge.
How to serve it
Plain, unsalted hazelnuts; in-shell for foraging.
One or two for large parrots, a piece for small birds.