Spring Bird Phenology for the Portlan...

Spring Bird Phenology for the Portland, Oregon Metro Area

Compiled by Christopher Hinkle and Adrian Hinkle, February 2008

This list is based on observations through Spring 2007 in Multnomah, Columbia, Clackamas, and Washington Co., including data compiled by Harry Nehls as well as personal observations from many other Portland-area birders.

Average arrival	Species	Number of years	Earliest arrival
Feb 09	Tree Swallow	14	Jan 15
Feb 24	Sandhill Crane	20	Feb 2
Feb 25	Rufous Hummingbird	16	Feb 4
Mar 03	Violet-green Swallow	19	Feb 10
Mar 04	Say's Phoebe	13	Feb 18
Mar 04	Turkey Vulture	10	Jan 29
Mar 16	Osprey	13	Feb 26
Mar 19	Orange-crowned Warbler	11	Mar 5
Mar 21	Cinnamon Teal	10	Feb 26
Mar 31	Long-billed Dowitcher	16	Mar 4
Apr 02	Cliff Swallow	13	Mar 16
Apr 04	Common Yellowthroat	15	Mar 23
Apr 04	Northern Rough-winged Swallow	12	Mar 23
Apr 05	Black-throated Gray Warbler	16	Mar 9
Apr 06	Greater Yellowlegs	11	Mar 26
Apr 08	Brown-headed Cowbird	11	Mar 15
Apr 08	Barn Swallow	11	Mar 24
Apr 09	Caspian Tern	08	Mar 30
Apr 12	Cassin's Vireo	19	Mar 26
Apr 12	Vaux's Swift	21	Mar 7
Apr 13	Purple Martin	12	Apr 2
Apr 16	Yellow-headed Blackbird	12	Apr 4
Apr 18	Chipping Sparrow	08	Apr 6
Apr 19	Hammond's Flycatcher	16	Apr 10
Apr 19	Wilson's Warbler	18	Apr 12
Apr 20	Nashville Warbler	22	Apr 14
Apr 20	House Wren	12	Apr 10
Apr 22	MacGillivray's Warbler	11	Apr 15
Apr 24	Pacific-slope Flycatcher	13	Apr 13
Apr 24	Solitary Sandpiper	19	Apr 10
Apr 25	Hermit Warbler	12	Apr 14
Apr 26	Warbling Vireo	10	Apr 22
Apr 26	Western Tanager	13	Apr 20
Apr 26	Western Kingbird	16	Apr 4
Apr 26	Bullock's Oriole	15	Apr 13
Apr 27	Black-headed Grosbeak	14	Apr 22
Apr 27	Yellow Warbler	12	Apr 8
Apr 29	Calliope Hummingbird	11	Apr 4
Apr 30	Blue-winged Teal	12	Apr 3
May 01	Swainson's Thrush	12	Apr 14
May 01	Dusky Flycatcher	13	Apr 22
May 02	Olive-sided Flycatcher	12	Apr 13
May 02	Western Wood-Pewee	11	Apr 15
May 05	Lazuli Bunting	14	Apr 26
May 13	Yellow-breasted Chat	10	May 1
May 14	Willow Flycatcher	13	Apr 30
May 28	Eastern Kingbird	12	May 16
May 31	Red-eyed Vireo	10	May 23
Jun 08	Common Nighthawk	13	May 26

Special thanks to Harry Nehls for sharing data records and to the many contributors from the local birding community. Special thanks to John Fitchen, Andy Frank, Wink Gross, Tom McNamara and Elaine Stewart for sharing numerous sightings.