[birding] Valley bottom Goshawk & mid-valley phenology
Joel Geier
joel.geier at peak.org
Sun Oct 25 08:50:42 PDT 2009
Hi Randy & All,
Actually this is about the right time for immature goshawks to show up
on the valley floor. Though rare, there are a cluster of reports right
in the 3rd week of October, from the Corvallis area.
Some other recent reports that seem to be right on time for the
Corvallis-Albany-Lebanon area include Cassin's Finch, Rough-legged Hawk,
and Northern Shrike. The Gray-crowned Rosy-Finch on Marys Peak last week
was on the early side but also within the normal bounds.
Below is a *still preliminary* draft of a fall arrival phenology for
this area. This is based primarily on the Audubon Society of Corvallis
field notes. Alan McGie compiled fall arrival/migrant data from
1984-1997, and I've filled in additional data for 2000-2007, plus a few
from 2009 as it happens. I'm not sure that all of these dates are
meaningful since there is a very wide scatter for some species, but
others seem to be quite regular.
Anyway, here it is for your enjoyment. This table is the basis for the
fall migrant/arrival dates that are shown in the Oregon Birding Calendar
at:
www.oregonbirds.org/calendar.html
As a side note, all but one of this winter's CBCs are now scheduled.
Also, for anyone who's starting to get depressed at the thought of
another rainy Oregon winter, spring migrants are already starting to
show up within the 16-week window that the calendar covers!
Happy birding,
Joel
Codes:
(M) = migrant species
(D) = post-breeding dispersant
(I) = irruptive species
(W) = wintering species (this is also the default where no code is
given)
Species N Median Earliest
First First
Date Date
Long-billed Dowitcher 5 Jul 22 Jul 9
Greater Yellowlegs (M) 13 Jul 22 Jun 26
Summer Tanager (2006) 1 Jul 23 Jul 23
Least Sandpiper 6 Jul 27 Jun 18
Caspian Tern (D) 5 Jul 30 Jul 3
Great Egret (D) 7 Jul 30 Jul 10
Western Sandpiper (M) 9 Aug 2 Jun 20
Marbled Godwit (M) 1 Aug 5 Aug 5
Blue-headed Vireo (2005) 1 Aug 11 Aug 11
Solitary Sandpiper (M) 8 Aug 12 Jul 21
Lark Bunting (2005) 1 Aug 13 Aug 13
White-faced Ibis (D) 1 Aug 13 Aug 13
Ruddy Turnstone (M) 1 Aug 13 Aug 13
Bank Swallow (M) 2 Aug 18 Aug 2
Lesser Yellowlegs (M) 13 Aug 19 Jul 14
Semipalmated Sandpiper (M) 4 Aug 20 Aug 3
Black-throated Gray Warbler (M) 6 Aug 20 Aug 7
Wilson's Phalarope (M) 3 Aug 21 Aug 4
Ring-billed Gull (D) 5 Aug 21 Jul 11
Semipalmated Plover (M) 7 Aug 21 Jul 14
Red-necked Phalarope (M) 11 Aug 21 Jul 28
Wandering Tattler (2006) 1 Aug 22 Aug 22
Baird's Sandpiper (M) 8 Aug 22 Jul 27
Brewer's Sparrow (M) 2 Aug 24 Aug 17
Wilson's Snipe 8 Aug 24 Aug 6
Short-billed Dowitcher (M) 2 Aug 25 Aug 12
Black-crowned Night-Heron (D) 6 Aug 25 Jun 25
Black Swift (M) 3 Aug 28 Aug 21
Sanderling (M) 2 Aug 29 Aug 17
Buff-breasted Sandpiper (2005) 1 Aug 30 Aug 30
Eastern Kingbird (M) 1 Aug 30 Aug 30
American White Pelican (D?) 2 Aug 30 Jul 10
Whimbrel (2005) 1 Sep 1 Sep 1
Northern Shoveler 8 Sep 1 Aug 6
Pectoral Sandpiper (M) 14 Sep 4 Aug 19
Black-bellied Plover 6 Sep 5 Jul 22
Mountain Chickadee (I) 4 Sep 6 Jul 4
Indigo Bunting (2009) 1 Sep 7 Sep 7
Northern Pintail 7 Sep 8 Aug 19
Orange-crowned Warbler
(gray-headed ssp.) (M) 3 Sep 9 Aug 27
Black-and-white Warbler (2002) 1 Sep 10 Sep 10
American Wigeon 8 Sep 10 Aug 26
Peregrine Falcon 7 Sep 11 Aug 3
Forster's Tern (M) 2 Sep 13 Sep 10
Nashville Warbler (M) 2 Sep 14 Sep 10
Lincoln's Sparrow 19 Sep 14 Aug 28
Common Tern (M) 1 Sep 15 Sep 15
Horned Lark (non-resident ssp.) 4 Sep 15 Sep 9
California Gull (D) 7 Sep 15 Jul 10
Ruddy Duck 8 Sep 15 Aug 4
Green-winged Teal 8 Sep 15 Aug 22
Sabine's Gull (M) 3 Sep 17 Sep 8
Sooty Fox Sparrow 18 Sep 17 Sep 3
Sharp-tailed Sandpiper (M) 1 Sep 18 Sep 18
Ring-necked Duck 10 Sep 18 Sep 3
Golden-crowned Sparrow 21 Sep 18 Sep 7
Stilt Sandpiper (M) 2 Sep 18 Sep 7
Lewis's Woodpecker (M) 12 Sep 19 Sep 3
Broad-winged Hawk (M) 2 Sep 20 Sep 10
Horned Grebe (M) 10 Sep 20 Aug 12
Tennessee Warbler (M) 1 Sep 21 Sep 21
Ruff 3 Sep 21 Sep 5
Yellow-rumped Warbler 7 Sep 21 Sep 8
Ruby-crowned Kinglet 15 Sep 21 Sep 5
American Pipit 15 Sep 21 Sep 5
Hermit Thrush 14 Sep 21 Sep 2
Swainson's Hawk (2001) 1 Sep 22 Sep 22
Townsend's Warbler 15 Sep 25 Aug 19
Blue-gray Gnatcatcher (M/D?) 2 Sep 25 Aug 10
Lesser Scaup 8 Sep 25 Sep 12
Golden-crowned Kinglet 3 Sep 26 Sep 11
Merlin 18 Sep 26 Aug 4
Ash-throated Flycatcher (M) 1 Sep 27 Sep 27
Double-crested Cormorant 7 Sep 27 Sep 10
Rose-breasted Grosbeak (D?) 2 Sep 28 Jul 18
Cackling Goose 6 Sep 28 Sep 24
Gadwall 8 Sep 29 Sep 5
American Golden-Plover (M) 5 Sep 30 Sep 1
Varied Thrush 6 Sep 30 Sep 20
Northern Wheatear (1988) 1 Oct 3 Oct 3
American Avocet (2003) 1 Oct 4 Oct 4
Eared Grebe (M) 11 Oct 5 Aug 18
Western Grebe (M) 11 Oct 5 Aug 13
Greater White-fronted Goose (M) 15 Oct 5 Aug 25
Rock Wren (M) 2 Oct 8 Sep 18
Common Loon (M) 6 Oct 8 Sep 21
Greater Scaup 7 Oct 9 Oct 5
Sandhill Crane (M) 6 Oct 10 Sep 29
Surf Scoter 6 Oct 10 Oct 5
Savannah Sparrow (migrant ssps.) 1 Oct 11 Oct 11
White-throated Sparrow 19 Oct 11 Sep 18
Red-breasted Merganser (M) 3 Oct 12 Aug 29
Slate-colored Junco 6 Oct 12 Sep 23
Bufflehead 6 Oct 12 Sep 24
Clark's Grebe (M) 3 Oct 13 Sep 14
Western Meadowlark
(non-resident birds) 6 Oct 13 Sep 16
Canvasback 7 Oct 14 Aug 16
Pomarine Jaeger (2006) 1 Oct 15 Oct 15
Townsend's Solitaire (M?) 4 Oct 16 Sep 23
Palm Warbler (M) 4 Oct 16 Sep 24
Black-throated Sparrow (2009) 1 Oct 17 Oct 17
Snowy Egret (2003) 1 Oct 17 Oct 17
Clark's Nutcracker (I) 5 Oct 17 Aug 31
Chestnut-collared Longspur(2009) 1 Oct 18 Oct 18
Yellow-shafted Flicker (M) 1 Oct 18 Oct 18
Pine Siskin 3 Oct 18 Sep 14
Dunlin 9 Oct 18 Aug 2
Rough-legged Hawk 19 Oct 18 Sep 3
Dusky Canada Goose (2009) 1 Oct 19 Oct 19
Snow Goose (M) 15 Oct 19 Sep 10
Long-billed Curlew 2 Oct 19 Sep 11
Red-throated Loon (M) 1 Oct 20 Oct 20
Burrowing Owl 9 Oct 20 Sep 25
Prairie Falcon 10 Oct 21 Aug 29
Cassin's Finch 3 Oct 22 Oct 19
Northern Shrike 15 Oct 22 Oct 4
Northern Goshawk 2 Oct 24 Oct 21
Redhead 5 Oct 28 Oct 4
Golden Eagle 6 Oct 28 Sep 16
Harlequin Duck (2004) 1 Oct 29 Oct 29
Short-eared Owl 6 Oct 30 Sep 18
Bonaparte's Gull (M) 7 Oct 30 Aug 3
Snow Bunting 6 Oct 30 Oct 26
American Tree Sparrow 2 Oct 31 Oct 20
Tundra Swan 19 Oct 31 Oct 5
Western Gull (I) 3 Nov 1 Jan 20
Glaucous-winged Gull 4 Nov 1 Oct 21
Say's Phoebe (M) 5 Nov 3 Sep 11
Gray-crowned Rosy-Finch 13 Nov 3 Oct 20
Red-necked Grebe (M) 4 Nov 3 Oct 14
White-winged Scoter (M) 3 Nov 4 Oct 22
Pacific Loon (M) 3 Nov 4 Oct 19
Tufted Duck (2006) 1 Nov 5 Nov 5
Barrow's Goldeneye (low elev.) 6 Nov 5 Oct 22
Eurasian Wigeon 16 Nov 5 Oct 19
Blue Jay (2005) 1 Nov 7 Nov 7
Lapland Longspur 4 Nov 7 Sep 20
Loggerhead Shrike (M/W?) 5 Nov 8 Oct 20
Common Goldeneye 6 Nov 10 Oct 30
Cattle Egret (M) 5 Nov 11 Oct 25
Herring Gull 7 Nov 14 Jul 21
Franklin's Gull (2002) 1 Nov 16 Nov 16
Ross's Goose (M/W) 5 Nov 16 Nov 12
Trumpeter Swan 6 Nov 16 Oct 29
Snowy Owl (I) 2 Nov 21 Nov 18
Common Redpoll (I) 3 Nov 23 Nov 14
Mew Gull 3 Nov 26 Oct 1
Ferruginous Hawk 4 Nov 27 Sep 15
Gyrfalcon 6 Nov 29 Sep 19
Northern Mockingbird (2000) 1 Dec 2 Dec 2
Swamp Sparrow 7 Dec 3 Oct 25
Red Phalarope (I) 2 Dec 3 Nov 14
Emperor Goose 3 Dec 8 Dec 4
Pacific Golden-Plover (M/W) 6 Dec 11 Sep 11
White Wagtail (2002) 1 Dec 13 Dec 13
Brant 5 Dec 12 Nov 14
Long-tailed Duck 2 Dec 15 Nov 26
Harris's Sparrow 6 Dec 16 Nov 17
Eurasian Green-winged Teal 1 Dec 19 Dec 19
Slate-colored Fox Sparrow 2 Dec 23 Dec 14
Glaucous Gull 3 Dec 25
Lark Sparrow 1 Dec 27 Dec 27
Mountain Plover 2 Dec 29 Dec 25
Yellow-bellied Sapsucker 2 Dec 29 Dec 11
Thayer's Gull 2 Dec 30 Dec 27
Clay-colored Sparrow 4 Dec 30 Nov 4
Red Fox Sparrow (2006) 1 Dec 31 Dec 31
Sedge Wren (2007) 1 Jan 4 Jan 4
Black Scoter (2007) 1 Jan 13 Jan 13
On Sat, 2009-10-24 at 21:53 -0700, M & R Campbell wrote:
> I found a juvenile Goshawk at Snag Boat Bend (in Linn County) today.
> When it flushed out of a dense stand of cottonwoods it showed a
> heavily barred tail and a "checked" pattern on the underwing, so,
> given it's buteo-like size, I first thought it was a pale, juvenile
> Red-shouldered hawk. But when I relocated it, perched, it showed a
> long tail with paler, less-contrasting, narrower bands, and a light
> terminal band, like the tail of a Cooper's, though it was much too
> big, and the pale patches on its broad, brown back made me think of a
> Red-tail Hawk. After it made another short, somewhat
> sluggish, buteo-like flight to a different perch, I got a view of pale
> supercillium and heavy, vertical streaks on the breast and belly.
> Since I first saw it about 15 feet above the shore line, I'd say this
> bird was about 245 feet above sea level.
>
> If I remember right, a few weeks ago someone posted a sighting of a
> Goshawk on the valley floor. If I remember right, I scoffed at the
> report--inwardly, at least. I now pass this on to you so that you,
> too, may have the pleasure.
>
>
> Randy Campbell
>
> Peoria
>
>
> Every bird mentioned in this post was identified, or misidentified,
> without the direct aid of fossil fuels--or electricity--or tobacco,
> alcohol, licit or illicit drugs, state highway funds, TARP loans, or
> federal stimulus dollars.
> _______________________________________________
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> list at midvalleybirding.org
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