[birding] Spring migration timing thus far

Joel Geier jgeier at attglobal.net
Mon May 1 16:47:35 PDT 2006


Hello All,

Here as promised is rundown of how this year's migration compares so far 
with historical data from the Corvallis area. The "years," "average" and 
"earliest" columns below are based on Alan McGie's phenology for the 
Corvallis area (2001 version) which he compiled from 30 years' worth of 
field notes in The Chat.

Joel

Key:

* = One or more individuals wintered in area
! = New record (provisional, data for 2002-05 not checked)
@ = heard only
? = "possible" detection

Species Name               Years Average Earliest This Year Days Late
Say's Phoebe                  4   29 Jan   7 Jan   23 Jan*     -6
Tree Swallow                 27   10 Feb  10 Jan    7 Feb*     -3
Turkey Vulture               29   19 Feb  17 Jan    4 Feb     -15
Horned Grebe                  3   27 Feb   3 Feb   14 Jan!    -44
Rufous Hummingbird           31    2 Mar  14 Feb   11 Mar      +9
Violet-green Swallow         29    3 Mar  21 Feb   19 Feb!    -12
Crested Caracara              1    7 Mar   7 Mar    7 Mar       0
Cinnamon Teal                26   13 Mar  31 Jan    4 Jan*    -68
Sandhill Crane               16   13 Mar  26 Jan   18 Feb*    -23
Band-tailed Pigeon           19   18 Mar   4 Feb    4 Mar     -14
Long-billed Dowitcher        20   19 Mar  19 Jan   25 Jan*    -53
Orange-crowned Warbler       29   21 Mar  11 Feb    7 Apr     +18
                                                  (@28 Mar?)
Osprey                       29   22 Mar  28 Jan   22 Mar       0
Cliff Swallow                24   31 Mar  17 Mar   18 Apr     +18
N. Rough-winged Swallow      24    2 Apr  22 Mar   15 Apr     +13
American Bittern             17    3 Apr  16 Feb   --
Common Yellowthroat          30    4 Apr  18 Mar    8 Apr*     +4
Barn Swallow                 26    5 Apr  22 Mar   31 Mar*     -6
Sora                         20    5 Apr  22 Feb   19 Apr     +14
Lesser Yellowlegs            19    8 Apr  20 Jan   10 Apr      +2
Black Swift                   3    9 Apr  30 Mar   --
Black-throated Gray Warbler  29   10 Apr  15 Mar   20 Apr     +10
House Wren                   23   10 Apr  21 Feb    5 Apr!     -5
Chipping Sparrow             25   11 Apr   7 Mar   18 Apr      +7
Black-bellied Plover         10   12 Apr  26 Feb    8 Apr      -4
Palm Warbler                  1   13 Apr  13 Apr   --
Long-billed Curlew            5   13 Apr  18 Mar   22 Apr      +9
Nashville Warbler            18   15 Apr  13 Mar   --
Vesper Sparrow               12   15 Apr  19 Mar   20 Apr      +5
Cassin's Vireo               29   17 Apr  26 Mar   22 Apr      +5
                                                   (@3 Apr?)
Black-necked Stilt            9   18 Apr   9 Apr   --
Willet                        3   18 Apr   3 Apr   --
Wilson's Warbler             27   18 Apr   3 Apr   27 Apr      +9
                                                  (@26 Apr?)
Vaux's Swift                 29   20 Apr   5 Apr   12 Apr      -8
                                                    (6 Apr?)
Whimbrel                      2   20 Apr  13 Apr   --
Solitary Sandpiper           20   21 Apr   8 Apr   25 Apr      +4
Yellow-headed Blackbird      20   21 Apr  21 Feb   11 Apr     -10
Hammond's Flycatcher         10   22 Apr  14 Apr   22 Apr       0
MacGillivray's Warbler       28   23 Apr   2 Apr   27 Apr      +4
Semipalmated Plover          16   24 Apr   7 Feb   --
Warbling Vireo               27   24 Apr  20 Mar   30 Apr      +6
Western Kingbird             23   26 Apr  15 Apr   20 Apr      -6
Calliope Hummingbird         12   27 Apr   6 Apr   --
Western Tanager              26   27 Apr  28 Feb   26 Apr      -1
Hermit Warbler               17   28 Apr   1 Apr   27 Apr*     -1
Pacific-slope Flycatcher     25   28 Apr   2 Apr   28 Apr       0
Yellow Warbler               21   29 Apr  10 Apr   30 Apr      +1
Pectoral Sandpiper            4    1 May  15 Apr   --
Purple Martin                10    1 May  17 Mar   18 Apr     -13
Swainson's Thrush            23    3 May   5 Apr
Western Wood-Pewee           20    3 May   7 Apr
Red-eyed Vireo                2    4 May   6 Apr
Black-headed Grosbeak        28    5 May  23 Apr   26 Apr      -9
Bullock's Oriole             22    5 May  11 Apr
Blue-winged Teal             19    6 May  21 Apr
Lazuli Bunting               25    6 May  22 Apr
Olive-sided Flycatcher       22    7 May  20 Apr   24 Apr     -13
Red-necked Phalarope         13    7 May  23 Apr
Wilson's Phalarope           20   10 May  20 Apr
Yellow-breasted Chat         21   12 May   4 Apr
Marbled Godwit                2   14 May   9 May
Willow Flycatcher            18   18 May  25 Apr
Black-throated Sparrow        4   18 May  15 May
Black Tern                    7   19 May   2 Apr
Pacific Golden-Plover         2    2 Jun  19 May
Common Nighthawk             13    4 Jun  10 May
Eastern Kingbird              4    7 Jun  23 May

--
Joel Geier
jgeier at attglobal.net




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