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Thread subject: What just happened?
||07/31/09 02:19 pm
||I just saw either Dennis or Betty try to land on the nest and Lib and Fr. went crazy (thinking there was a delivery?). But the adult didn't have a fish (or a stick :-) and there was a great shuffle....almost like an attack by the two,then just as soon as the adult came in, it left. Wondering if another adult osprey? Or Dennis has had it with the aggression? Thoughts? I've been out all morning shore birding with Audobon, so haven't seen much at all, deliveries, etc.
But there they sit, looking down at the nest. Very windy, and there was no food delivery.
||07/31/09 03:37 pm
||It's all very simple. They know that when an adult comes to the nest it means food and pure instinct kicks in. They don't salivate - they lunge. Doesn't matter if there is anything there or not. They know that's how the food is brought in. This is no human-style response to being fed up with aggression - it's all about self preservation and survival of the fittest. Forget the warm and fuzzies. These are wild animals. Raptors. Fierce creatures who are apex predators - top of the food chain second only to an occasional great horned owl.
There is no food delivery for two reasons:
First with the wind blowing 20-25 knots it makes for lousy visual hunting conditions - the water is all stirred up.
And secondly we expect to see fewer and fewer fish delivered to the nest in order to give them the incentive to learn to fish for themselves. Doesn't give the chicks any incentive to learn to fish for themselves if Betty (who historically takes off by the second week in August) and Dennis (whose job it is to teach them how to fish and then leave shortly after Labor Day) keep feeding them in the nest or anywhere else. That's not going to prepare them for migration and the survival rates are stacked against them as it is.
||07/31/09 06:25 pm
||Melanie, thanks for the low-down. Got it!
Yes, I knew about fewer fish deliveries, so that makes sense.....they go wild when they come in.
In fact, I've actually wondered why fish keeps coming in, instead of them fishing now...at least Freedom (unless I've missed her bringing any in?)
||07/31/09 08:50 pm
||The Juveniles are learning and/or fishing. Fish is brought to the nest by the parents for a while to supplement their diet.
And as an extra note. Female adult osprey are the first to start migrating sometime in August...usually mid, though some stay a bit later. The male will stick around for a while, and less and less we will see the Juvies in the nest. When the male adult finally starts his migration, the Juvies will be "confused" for a day or so, until something "clicks" and they too will start their migration. (the mystery of migration) By September, and at most the end of Sept most healthy osprey will have started their migration. I have read that any osprey that are spotted in October and especially November, will probably not survive migration.