Date: 6/5/18 7:12 am
From: David Bailey <davidcbaileyoregon...>
Subject: [obol] Re: Varied Thrushes breeding in the Coast Range (was: Some Recent Coos/Curry Birds)
Interesting. I wouldn't expect them breeding in coastal pines or deciduous
lowlands, but wherever sitka spruce are dominant.

On Tue, Jun 5, 2018, 4:44 AM Tim Rodenkirk <timrodenkirk...> wrote:

> PS: I did mamu surveys for 7 years back in the early to mid-1990s in
> Coos/Curry and a bit of Douglas Counties.
>
> Tim
>
> On Tue, Jun 5, 2018 at 4:41 AM Tim Rodenkirk <timrodenkirk...>
> wrote:
>
>> Same thing down here David. I was talking about the coastal lowlands. For
>> instance they do not breed at New River, Coos which is heavily forested
>> although with lots of shore pine but big spruce on the ridges. You don’t
>> pick them up breeding regularly until you get inland. Also most Mamu
>> habitat is a bit older forest which fits well with preferred varied thrush
>> habitat. I am up predawn every day for years and this is first year I have
>> heard varied thrush in Mingus Park in June...
>>
>> Tim
>>
>> Tim
>>
>> On Mon, Jun 4, 2018 at 10:59 PM David Bailey <
>> <davidcbaileyoregon...> wrote:
>>
>>> Varied Thrushes are common breeders throughout the Northern Oregon
>>> Coast Range. I conducted predawn through dawn surveys for Marbled Murrelets
>>> in the North Oregon Coast Range between 01 May and 01Aug for six seasons.
>>> These surveys were all within approximately 20 miles of the coast between
>>> Newport and Astoria. I do not recall a single survey station where Varied
>>> Thrush was not a species I detected on more than one station visit. We
>>> surveyed each station usually seven times a season. The protocol was that
>>> the survey began 45 minutes prior to sunrise. There is a predictable order
>>> to the first calls of expected species. Varied Thrush is one of the first
>>> predawn callers, but they cease to call at sunrise or before. They are very
>>> stealthy. I did encounter a single active nest with chicks about seven
>>> miles up the Necanicum River one season, though had I not flushed the
>>> parent off the nest I would not have known the birds were there.
>>>
>>> David
>>>
>>> David C. Bailey
>>> Seaside, Oregon
>>>
>>> On Mon, Jun 4, 2018, 1:34 PM Tim Rodenkirk <timrodenkirk...>
>>> wrote:
>>>
>>>> On 26 May Barb Taylor saw a White-throated Sparrow at her sister’s nice
>>>> feeder set up in Coos Bay. This is the latest spring record for Coos I know
>>>> of by over a week.
>>>>
>>>> Memorial Day weekend Madeleine Vander Heyden was at the mouth of Elk
>>>> River in Curry and saw a pair of Peregrine Falcons on a nearby cliff.
>>>> Probably nesting in the vicinity. Right about that time a Bald Eagle flew
>>>> by and headed upriver. The two Peregrines immediately took off and began
>>>> harassing the eagle. This went on for a few moments before the eagle
>>>> pivoted and snatched one of the Peregrines out of the sky! It flew off with
>>>> it and landed in a tree where it began dining on it. Wow- must have been
>>>> amazing to see!
>>>>
>>>> We recently had a thread on Varied Thrushes and where they nest. I
>>>> normally have singing birds across the street from my place at Mingus
>>>> Park, Coos Bay until about mid-May then they apparently leave. This year
>>>> there is one or two birds still singing up through 2 June so I think they
>>>> are at least attempting to breed. So yes I think a few birds may
>>>> occasionally breed coastally in Coos County where the habitat is right-
>>>> older forest with multistoried understory which is how I think Wayne
>>>> Hoffmann described it.
>>>>
>>>> Happy birding!
>>>> Tim Rodenkirk
>>>>
>>>>

 
Join us on Facebook!