They will hold the middle bead in their foot and nibble on the plastic and leather dangles.
Small size is suitable for XSmall & Small birds - Cockatiels, Ringnecks, Conures, Quakers etc.
Large size is suitable fo Medium Birds - Alexandrines, Galahs, Eclectus, Amazons, Greys etc
Please note we now include larger size pony beads on the Large Dingle Dangle, but if you give this toy to large birds they may still break the pony beads.