Western Oregon Birding Calendar
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| This calendar provides information on migrant phenology, to give an indication of when to look for bird species to arrive. Typical “fall” or “southbound” arrival (↓) dates and “spring” or “northbound” arrival (↑) dates are indicated by bird species names and arrow symbols in different colors, as explained in the key at the bottom of the calendar.Please note the compiler’s acknowledgements below the calendar. These folks have put in a lot of work to make this information readily available. Also Joel Geier deserves an acknowledgement as well. He provided this data in multiple formats |
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| Sunday | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday |
|---|---|---|---|---|---|---|
| Jan 22 | Jan 23 | Jan 24 | Jan 25 ↑Say’s Phoebe |
Jan 26 | Jan 27 | Jan 28 |
| Jan 29 | Jan 30 | Jan 31 | Feb 1 | Feb 2 | Feb 3 | Feb 4↑Tree Swallow |
| Feb 5 | Feb 6 | Feb 7 | Feb 8 | Feb 9 ↑Tree Swallow↑Tree Swallow |
Feb 10 | Feb 11 |
| Feb 12 | Feb 13 | Feb 14 | Feb 15 | Feb 16 | Feb 17 ↑Turkey Vulture |
Feb 18 |
| Feb 19 | Feb 20 ↑Sandhill Crane |
Feb 21↑Rufous Hummingbird | Feb 22 ↑Turkey Vulture |
Feb 23 | Feb 24 ↑Sandhill Crane |
Feb 25 ↑Rufous Hummingbird |
| Feb 26 | Feb 27 ↑Horned Grebe |
Feb 28 | Feb 29 | Mar 1 | Mar 2 ↑Rufous Hummingbird ↑Violet-green Swallow |
Mar 3 ↑Violet-green Swallow ↑Violet-green Swallow |
| Mar 4 ↑Cinnamon Teal ↑Say’s Phoebe ↑Turkey Vulture |
Mar 5 | Mar 6 | Mar 7 ↑Green Heron |
Mar 8↑Say’s Phoebe | Mar 9 ↑Sandhill Crane |
Mar 10 |
| Mar 11 | Mar 12↑Band-tailed Pigeon ↑Cinnamon Teal ↑Osprey ®Crested Caracara (2006) |
Mar 13↑Band-tailed Pigeon | Mar 14 | Mar 15 | Mar 16 ↑Osprey |
Mar 17 |
| Mar 18↑Orange-crowned Warbler | Mar 19 ↑Long-billed Dowitcher ↑Orange-crowned Warbler |
Mar 20 ↑Virginia Rail |
Mar 21 ↑Orange-crowned Warbler↑Cinnamon Teal |
Mar 22 ↑Osprey |
Mar 23 | Mar 24 |
| Mar 25 ↑Cliff Swallow |
Mar 26 | Mar 27 ↑Common Yellowthroat |
Mar 28↑Evening Grosbeak | Mar 29 | Mar 30↑Cliff Swallow ↑Barn Swallow |
Mar 31 ↑Barn Swallow ↑Long-billed Dowitcher |
| Apr 1 ↑Northern Rough-winged Swallow ↑Chipping Sparrow↑Northern Rough-winged Swallow |
Apr 2 ↑Cliff Swallow |
Apr 3 ↑American Bittern ↑Yellow-headed Blackbird |
Apr 4 ↑Common Yellowthroat ↑Common Yellowthroat ↑Northern Rough-winged Swallow |
Apr 5 ↑Sora ↑Vesper Sparrow ↑Black-throated Gray Warbler ↑Black-throated Gray Warbler |
Apr 6 ↑Sora ↑Cassin’s Vireo ↑Greater Yellowlegs |
Apr 7 ↑Brown-headed Cowbird |
| Apr 8 ↑Brown-headed Cowbird ↑Barn Swallow |
Apr 9↑Black Swift ↑Lesser Yellowlegs ↑Vaux’s Swift ↑Caspian Tern |
Apr 10↑Black-throated Gray Warbler ↑Wilson’s Warbler |
Apr 11 ↑Chipping Sparrow↑House Wren ↑Purple Martin |
Apr 12 ↑Palm Warbler ↑Vesper Sparrow↑Cassin’s Vireo ↑Vaux’s Swift |
Apr 13 ↑Long-billed Curlew ↑Purple Martin |
Apr 14 ↑Black-bellied Plover ↑Nashville Warbler |
| Apr 15 ↑Nashville Warbler |
Apr 16 ↑Yellow-headed Blackbird |
Apr 17 ↑Cassin’s Vireo ↑Hammond’s Flycatcher |
Apr 18↑Willet ↑Wilson’s Warbler ↑Chipping Sparrow |
Apr 19 ↑Vaux’s Swift↑Pacific-slope Flycatcher ↑Hammond’s Flycatcher ↑Wilson’s Warbler |
Apr 20 ↑MacGillivray’s Warbler↑Nashville Warbler ↑House Wren |
Apr 21 ↑Black-necked Stilt ↑Yellow-headed Blackbird↑House Wren ↑Western Kingbird |
| Apr 22↑Hammond’s Flycatcher ↑Solitary Sandpiper ↑Warbling Vireo ↑Hermit Warbler ↑MacGillivray’s Warbler |
Apr 23 ↑Calliope Hummingbird ↑MacGillivray’s Warbler ↑Western Tanager |
Apr 24 ↑Semipalmated Plover ↑Warbling Vireo ↑Pacific-slope Flycatcher ↑Solitary Sandpiper |
Apr 25 ↑Caspian Tern ↑Bullock’s Oriole ↑Hermit Warbler |
Apr 26 ↑Western Kingbird ↑Warbling Vireo↑Western Tanager ↑Western Kingbird ↑Bullock’s Oriole |
Apr 27 ↑Pacific-slope Flycatcher↑Western Tanager ↑Black-headed Grosbeak ↑Olive-sided Flycatcher ↑Black-headed Grosbeak ↑Yellow Warbler |
Apr 28 ASC Birdathon ↑Purple Martin ↑Hermit Warbler ↑Yellow Warbler↑Yellow Warbler |
| Apr 29 ASC Birdathon↑Dusky Flycatcher ↑Pectoral Sandpiper ↑Whimbrel ↑Blue-winged Teal ↑Calliope Hummingbird |
Apr 30 ↑Lazuli Bunting ↑Blue-winged Teal |
May 1 ↑Swainson’s Thrush ↑Dusky Flycatcher |
May 2 ↑Western Wood-Pewee ↑Olive-sided Flycatcher ↑Western Wood-Pewee |
May 3 ↑Swainson’s Thrush ↑Swainson’s Thrush↑Western Wood-Pewee ↑Black Tern |
May 4 ↑Black-headed Grosbeak↑Red-eyed Vireo |
May 5 ↑Blue-winged Teal↑Bullock’s Oriole ↑Grasshopper Sparrow ↑Lazuli Bunting |
| May 6 ↑Lazuli Bunting ↑Yellow-breasted Chat |
May 7↑Olive-sided Flycatcher | May 8 ↑Red-necked Phalarope |
May 9 ↑Wilson’s Phalarope |
May 10 | May 11 ↑Yellow-breasted Chat |
May 12 NAMC Migration Count |
| May 13 NAMC Migration Count ↑Forster’s Tern↑Willow Flycatcher ↑Yellow-breasted Chat |
May 14 ↑Marbled Godwit ↑Willow Flycatcher |
May 15 | May 16 ↑Willow Flycatcher |
May 17 | May 18 ↑Black Tern ↑Black-throated Sparrow |
May 19 |
| May 20 ↑Black-chinned Hummingbird |
May 21 | May 22 ↑White-faced Ibis |
May 23 | May 24 | May 25 | May 26 |
| May 27 | May 28 ↑Eastern Kingbird |
May 29 | May 30 | May 31 ↑Red-eyed Vireo |
Jun 1 | Jun 2 ↑Pacific Golden-Plover↑Common Nighthawk |
| Jun 3 ↑Red-eyed Vireo |
Jun 4 ↑Common Nighthawk |
Jun 5 | Jun 6 | Jun 7 ↑Eastern Kingbird |
Jun 8 ↑Common Nighthawk |
Jun 9 |
| Key to symbols and colors used for bird arrival dates: ↑[species name] indicates “spring” arrivals of species that either nest in Oregon or continue northward.† ↓[species name] indicates “fall” arrivals of species that either winter in Oregon or continue southward.† ®[species name] indicates selected rarities (with year of occurrence in parentheses). Note that dates may not correspond eactly in the case of leap-year records, as this calendar is based on day numbers (number of days from Jan 1) in each year.Typical arrival dates for the Corvallis area based on spring migrant phenology compiled by Alan McGieplus a fall migrant phenology (draft in progress) compiled by Alan McGie and Joel Geier.Typical arrival dates for the Eugene/Springfield area based on spring migrant phenology compiled by Tom MickelTypical arrival dates for the Portland Metro area based on spring migrant phenology compiled by Christopher & Adrian Hinkle† The terms “northbound” and “southbound” are used here as generalizations; many of Oregon’s migrants have an east/west component and/or elevational component to their movements. The phenology for Willamette Valley locations includes arrivals of elevational migrants such as Varied Thrush.
UPDATE (06 May 2014): One of the Pacific Northwest’s birding luminaries, David Irons, has put together an excellent narrative: A Spring Migration Phenology for Western Oregon. |
birds over portland 
what about the autumn migrations?
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Thanks Peter: i’ll look into it and post what i can dig up.
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Thank you so much Greg! Our primary interest is the Vaux’s Swifts in Eugene. My wife did some good goggling, we saw youtubes for the Eugene stop anywhere from Sept. 15 to 25th — which seems to fit pretty well with the 10-day span for the spring migration.
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Fall migration phenology has now been added as separate page. However, the fall phenology for the mid-valley hasn’t been sorted out as well as spring. Please see that page for attributions and caveats regarding the data.
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Pingback: Migrant Phenology for the Northern Willamette Valley | birds over portland
This calendar is awesome. Thank you so much for all the time and work you have put into this. I have already shared it with a birding friend
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I’m glad you find it useful Ruth. However please note the attributions. I didn’t compile the data for these — i just asked the authors for permission to put them on the website.
greg
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Thank you! I had a Hammonds Flycatcher at the top of my Catalpa this week….doing his thing…..flycatching! S.E. Portland.
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What a wonderful calendar! I live in Tillamook Oregon and am worried about the swallow migration. My little valley is typically filled with them and this year there are 3!! Very scary and I was wondering if maybe they just hadn’t arrived yet but June seems very late now for their arrival.
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