Color: Multicolor
The size of the foot ring (inner diameter)
2mm Bird species: Indian silver bird, African silver mouth bird, red head bird, gem sparrow, etc.
3mm bird species: colored canaries, ordinary red belly skull, brown tits, black canary, all kinds of organ birds
4.0mm birds: colorful birds, Acacia birds, ten sisters, pearl birds, hibiscus birds,
5mm Bird species: tiger parrot, Australia. Prairie parrot. Campanulaceae glory Burkes
6mm Bird species: big head parrot, Pacific, horizontal spot, peony, cherry, Godi style, etc.