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Migrant Arrival Dates

Corvallis Bird Phenology / Migrant Arrival Dates
Compiled by Alan McGie

Bird phenology records in Corvallis date from 1970. The last phenology table was published in the Chat in March 1994. This list updates the arrivals through the spring of 2002. (M): Migrant, does not spend the season or breed in our area.

Average Species years Earliest
arrival
Jan      
29 Say’s Phoebe (M) 04 1/07
Feb      
10 Tree Swallow 27 1/10
19 Turkey Vulture 29 1/17
27 Horned Grebe (M) 03 2/03
Mar      
2 Rufous Hummingbird 32 2/14
3 Violet-green Swallow 29 2/21
13 Cinnamon Teal 27 1/31
  Sandhill Crane (M) 17 1/26
16 Band-tailed Pigeon 20 2/04
19 Long-billed Dowitcher (M) 20 1/19
21 Orange-crowned Warbler 30 2/11
22 Osprey 30 1/28
31 Cliff Swallow 25 3/17
Apr      
2 Northern Rough-winged Swallow 24 3/22
3 American Bittern 17 2/16
4 Common Yellowthroat 31 3/18
5 Barn Swallow 27 3/22
  Sora 20 2/22
8 Lesser Yellowlegs (M) 19 1/20
9 Black Swift (M) 3 3/30
10 Black-throated Gray Warbler 30 3/15
  House Wren 24 2/21
11 Chipping Sparrow 26 3/07
12 Black-bellied Plover (M) 10 2/06
13 Long-billed Curlew (M) 5 3/18
14 Vesper Sparrow 13 3/19
15 Nashville Warbler 18 3/18
17 Cassin’s Vireo 30 3/26
18 Black-necked Stilt (M) 9 4/09
  Willet (M) 3 4/03
  Wilson’s Warbler 28 4/03
20 Vaux’s Swift 30 4/05
21 Solitary Sandpiper (M) 21 4/08
  Yellow-headed Blackbird 20 2/21
22 Hammond’s Flycatcher 11 4/14
23 MacGillivray’s Warbler 29 4/02
24 Semipalmated Plover (M) 17 2/07
  Warbling Vireo 28 3/20
  Whimbrel (M) 03 4/13
26 Western Kingbird 23 4/15
27 Calliope Hummingbird (M) 13 4/06
  Western Tanager 27 2/28
28 Hermit Warbler 18 4/01
  Pacific-slope Flycatcher 26 4/02
29 Yellow Warbler 22 4/10
May      
1 Pectoral Sandpiper (M) 04 4/15
  Purple Martin 10 3/17
3 Swainson’s Thrush 24 4/05
  Western Wood-Pewee 27 4/07
4 Red-eyed Vireo 02 4/06
5 Black-headed Grosbeak 29 4/03
  Bullock’s Oriole 23 4/11
6 Blue-winged Teal (M) 20 4/21
  Lazuli Bunting 26 4/22
7 Olive-sided Flycatcher 23 4/20
  Red-necked Phalarope (M) 13 4/23
10 Wilson’s Phalarope (M) 20 4/20
12 Yellow-breasted Chat 21 4/04
14 Marbled Godwit (M) 02 5/09
16 Willow Flycatcher 18 4/25
18 Black-throated Sparrow (M) 04 5/15
19 Black Tern (M) 07 4/02
Jun      
2 Pacific Golden-Plover (M) 02 5/19
4 Common Nighthawk 13 5/10
7 Eastern Kingbird (M) 04 5/23

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Audubon Society of Corvallis
PO Box 148
Corvallis, OR 97339
Email: Audubon.Corvallis@gmail.com