I have helped a friend adopt a 7 year old male citron cockatoo, he's been great and he's putting on weight BIG time. He is now at 439 grams. I personally have an Umbrella Cockatoo so I have no real ideal what he should weigh. To Me he's a big boy but I have no idea what a good weight for him should be! HELP!!
Tammy, Shasta and the rest of the flock