dan is @ work. i make these. they work really, 4 any size birds. lil birds luv 2 perch on the arms. {arms n legs} will bend 2 ur liking. the bigger birds luv chewing n shredding wood, plastics, ropes, i make em 4 my calico macaw n 2 blue n gold macaws, the bird boy last them anywherre from 1-4 months depending on how many other toys i have in there 4 them n how chewy they feel. a happy bird that is allowed 2 chew, in order 2 cure his need for chewing, chew 2 sharpen n strengthen beak, chew rope 2 buff his beak, etc. will not end up a plucker unless he gets sick from different diseases that make them itch etc. .... my tiel has bonded lol, with his bird boy.... he grabs the "hair" beads n does the regurgitation bounce with it.... lol i will get busy n make some "large" bird toys. takes me time cuz i have carpo tunnel. typing takes me long.