Its not a good question, first because theres not enough data, and more importantly, Nesting is hardwired. That is, its needed for survival of the species, not just an individual. A healthy population, is healthy, first because of good recruitment. Which means, eggs hatch. Failure for eggs to hatch occurs when something drastic occurs, floods, drought, fire, drastic change in conditions. Egg binding or held eggs would also have those types of causes. Failure to deposit eggs, is totally abnormal to recruitment. Remember, they have had millions of years to perfect nesting, egg deposition, and the ability to deliver eggs. If an individual becomes egg bound, its erased, end of that genetic line. Or end of that behavioral line. So in lew of lack of data, its simply not logical or realistic that egg binding is a "normal" occurrence. does it occur, sure. How often, pretty dang rarely. it is far far far more likely to happen In captivity because we simply do not have a handle on how they nest in nature, which is what their design is for. With the subject of nesting material as misunderstood as it is. I will add to this later

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