they don't have a different call until they are much older. This dude claims he can tell them apart at a day or two old. I have been looking at some newly hatched keets for the past couple days and I believe I can see a difference. I would not know if what I am seeing is accurate until they are...
DUDE!!! If you can teach me how to do this I will split my first 5 years income with you. I am very observant and have a very keen eye for detail. If you can teach anyone to do this, it would be me.