Good thing they're not cooing yet which I think is part of the mating display. If they aren't yet breeding age at least that won't entice them to stay with the ferals. Can't believe the Lamarsh Loft menu plan doesn't compare favorably with the ferals diet! 

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I'm surprised those 2 could fly so long without tiring 1st time. I'm sure you are keeping a look out for them. And remind me to get different colored leg bands instead of numbers! HA, HA Learning a lot from you
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. Since I have followed so attentively I feel like I have a stake in their success. It is nerve racking but from here it looks like you are minimizing your progress and magnifying your setbacks