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 Connecticut Warbler

Status in Michigan
Uncommon Transient summer resident


Early Spring Date


Late Fall Date
Note: Early and Late Dates are being researched.
Image Credits
Count totals in the NMB Databases for Connecticut Warbler.

Use the links below to view the Connecticut Warbler reports in the respective databases.
If there are zero sightings for a particular season, that database will return no results.



Active Database - Spring 2005
View Connecticut Warbler sightings.
Connecticut Warbler Archives Reports
Fall 2003 3
Spring 2003 10
Winter 02-03 0
Fall 2002 6
Summer 2002 2
Spring 2002 9
Winter 01-02 0
Fall 2001 7
Summer 2001 3
Spring 2001 7
Winter 00-01 0
Fall 2000 1
Summer 2000 2
Spring 2000 17
Winter 00-99 0
Fall 1999 7
Spring/Summer 1999 2

NMB Database
Seasonal Percentage Graph
For: Connecticut Warbler




Whitefish Point Bird Observatory
Active Database - Fall 2003
View Fall 2003 sightings.
Whitefish Point Bird Observatory Official Seasonal Count Summaries for the Connecticut Warbler
Fall 1999-Spring 2002
Connecticut Warbler
Note: Some species will not be present in the WPBO archives and will return no records.



Search "The Birds of Michigan" text.

Home - Foreword - Preface - Introduction - Hypothetical List - Literature Cited


Historical Text

Oporornis agilis (Wilson)
Connecticut Warbler

Uncommon transient; probably breeds in the north.

First authoritatively recorded for Michigan by Gunn (1879: 186).

SPRING.-Arrival is reported in late May and early June. Lower Peninsula.-L. W. Campbell (1940: 195) reported arrival in the Toledo-Erie marsh area in the latter half of May. Taverner collected 2 individuals (U.M.M.Z) in St. Clair County: 1 on May 20, 1901, and 1 on May 21,1905. Swales saw 6 at Grosse He, Wayne County, on June 5,1907. The species is usually reported in the Ann Arbor area after the middle of May; 1 (U.M.M.Z.) was taken by N. A. Wood on May 18, 1911, and in 1907 the species was seen as late as June 6 (N. A. Wood, 1921a; 593-94). A number were noted by Walter Koelz and Rup Chand near Waterloo, Jackson County, where they collected 9 specimens on May 29, 1935. The species was seen in late May in Berrien County by N. A. Wood (1922: 30), and in Calhoun County by Walkinshaw (1930 to 1940). Two specimens were taken in Ottawa County in the spring of 1879 (Gunn, 1879:186): 1 by H. A. Atkins on May 20, and 1 by Gunn on May 22.

Upper Peninsula.-There are only 2 records from the Upper Peninsula earlier than the second week in June. N. A. Wood (1933: 730) saw 1 Connecticut Warbler at Copper Harbor, Keweenaw County, on June 4, 1931, and 2 on Isle Royale on June 5, 1930.

SUMMER.-Although there is no definite nesting record, the species may breed in the Upper Peninsula. Barrows (1912: 636) believed that there was "little doubt that the Connecticut Warbler nests regularly in parts of Northern Michigan." Van Tyne (1923: 25) saw a female with food in her bill near Hessel, Mackinac County, on July 19,1919, but he could not find a nest or young. Walkinshaw (1936: 220) has seen the species several times in the eastern part of the peninsula. He collected a male (U.M.M.Z.) at Munuscong Bay, Chippewa County, on June 10, 1934; in 1935 he observed 2 singing males near McMillan, Luce County, on several occasions between June 9 and 18. An adult female was reported by J. Claire Wood (1905a:130) near Detroit on July 3, 1905.*

FALL.-Data available indicate that the species migrates southward in late August and the first half of September.

Upper Peninsula.-Max M. Peet (1909: 378) noted several Connecticut "Warblers on Isle Royale on September 12; John L. George and R. L. Patterson saw 1 at Golden Lake, Iron County, on August 23, 1938. In the eastern end of the peninsula, Bryens (1925o; 450-51) has observed the species at McMillan, Luce County, from late July to mid-September, and Christofferson saw 1 at Blaney, Schoolcraft County, on July 24, 1937, and 1 on September 20, 1939.

Lower Peninsula.-Leonard Wing saw a Connecticut Warbler near Lovells, Crawford County, on August 6, 1931, and N. A. Wood (1911: 109) noted this species as fairly common on Charity Island, Huron County, between August 31 and September 19. It was seen in Berrien County by N. A. Wood (1922: 30) from September 5 to 10, and 2 (U.M.M.Z.) were collected (out of 12 noted) at Portage Lake, Jackson County, by R. E. Stewart on August 27, 1938. N. A. Wood collected 1 (U.M.M.Z.) in Washtenaw County on September 13, 1926; Trautman saw 1 in Monroe County on September 9, 1934, and in the Detroit area Swales collected 1 (U.M.M.Z.) on October 8,1905, and J. Claire Wood (1906: 24-25) saw 1 on October 15,1905.

* G. A. Abbott (1915: 129-30) collected what he believed to be the nest and 2 eggs of this warbler in Calhoun County on May 27, 1899, but the nest and eggs are now believed to be those of the Mourning Warbler. N. A. Wood, Peet, and McCreary (1906:119) , and N. A. Wood (1905: 178) reported the taking of several breeding specimens (U.M.M.Z.) in the Porcupine Mountains, Ontonagon County, in early August. These specimens were misidentified and are now known to be Mourning Warblers (Leonard Wing, 1940: 191).


Source:
MISCELLANEOUS PUBLICATIONS
Mueseum of Zoology, University of Michigan, No. 75
The Birds of Michigan
By: Norman A. Wood
University of Michigan Press
August 28, 2023

Digitized by: Keith F. Saylor
[email protected]





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