Date: 4/16/18 6:28 am
From: Andrew Mason <andymason...> [osbirds] <osbirds...>
Subject: Re: [osbirds] Bald Eagles in Treadwell

There was a long-term nest in NY State--I can't remember the
locale--where three adult Bald Eagles successfully raised broods for a
number of years. I think the gender mix was 2 males/1 female.

Andy Mason

On 4/15/2018 11:58 PM, <huneked...> [osbirds] wrote:
> Even the arrival of a few of my favorite song birds this past week
> couldn't top Sunday's bald eagle activity. I went out of the barn to
> dump a wheelbarrow to have an adult BE fly right by me, upstream, with
> something in its talons trailing a streamer of plant material. Just
> moments later another adult BE flew in the same path, but without any
> prey. And moments after that a HUGE dark, splotchy raptor circled,
> flapping, over the park and creek. For just a second I thought Golden
> Eagle, and then realized this must be Stuart, last year's offspring.
> Stuart headed downstream. And then in just a few more moments another
> adult BE flew upstream, but veered off after passing over the bridge,
> circled back over the park and headed downstream in the same basic
> path Stuart took. About five minutes later an adult flew upstream
> carrying whatever in its talons.
> So, there are three adult BEs here! There did not appear to be any
> territorial displays, just this travel up and down the creek,
> apparently with prey involved. This explains why Eric told me he saw
> two adults near the creek Friday evening. I was concerned that this
> meant they were both off the nest, not a good sign at this point in
> time, especially given the horrible wind storm of last week (although
> the nest appeared fine, I didn't get where I could spot adults on
> it). But now it makes sense. I suspect an egg or eggs have hatched
> and there is quite a hustle to feed the young. But to have a third
> adult in the mix?? That seems odd unless it is a newly matured
> relative that does not yet have a mate. I've no idea if "family"
> participation is common or rare in the eagle world. And to see them
> each, one after the other, means there couldn't have been an adult
> remaining at the nest. Unless there are actually four adults here and
> one was still at the nest! Not counting Stuart, I don't think she
> would be participating, just coexisting with her family.
> As the morning wore on and I continued my chores Stuart and one adult
> perched in a tree about 150 feet from the barn, staying there for a
> good 20 minutes. Stuart wasn't perched out in the open quite as much
> as the adult, but a while after they both had left Stuart returned and
> picked a very open perch, no branches in the way. Stuart is just
> plain huge! In flight this bird appears to dwarf the other adults,
> and even sitting on a perch 150 feet from me her tremendous size is so
> obvious.
> I was back at the barn to give a young friend a riding lesson from
> 11:30 to 12:30, but didn't see the eagles again. However I did see a
> pair of red tailed hawks circling around near the old nest site, and a
> kestrel flying around near the creek. Oh, and a pair of Canada geese,
> and a merganser. It was quite a busy day at the Treadwell creek.
> Dorian Huneke,
> Treadwell

Andrew Mason
1039 Peck St.
Jefferson, NY 12093
(607) 652-2162

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