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.
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 <AndyMason...>