Date: 6/5/18 4:44 am
From: Tim Rodenkirk <timrodenkirk...>
Subject: [obol] Re: Varied Thrushes breeding in the Coast Range (was: Some Recent Coos/Curry Birds)
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!