Warbler Guy: Do Kirtland’s Warbler nest elsewhere in the USA besides Michigan? Nesting Kirtland’s Warblers occur in Wisconsin as breeders?

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Good questions, Theo (in Illinois). Here’s a link to the history of Kirtland’s Warblers recent breeding success in Wisconsin….below:

https://silvis.forest.wisc.edu/research/here-to-stay-endangered-kirtlands-warblers-call-red-pine-dominated-plantations-in-wisconsin-home/

For 2023, preliminary results of Kirtland’s Warbler nesting surveys in Wisconsin have yielded the following information:

  • 13 males in Adams County, 2 in Douglas County, and 4 in Marinette County in 2023.
  • 1 pair in Douglas County, and 7 pairs in Adams County in 2023.
  • nest success in WI was not intensively monitored this year, but there was successful fledging of young in Adams County

As for Michigan, I’m assuming many of you readers already know this rare species continues to annually nest in at least 10 Michigan counties and at one nesting spot in Ontario.

Is it federally endangered? No, as the good news the US Fish & Wildlife Service delisted this species in 2019.

Why? During the past century, timber rotations and fire suppression helped populations to rebound above 2,200 pairs. Thus, 50 years on the Endangered Species List was a good news victory for the avalanche of professional and volunteer work performed on behalf of saving this wood-warbler from the brink of extinction.

Regards, Daniel Edelstein

WarblerWatch.com

Birding Guide & Consulting Avian Biologist

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1) Consulting Biologist (and Certified Wildlife Biologist Asc.) — Conducting wildlife and plant surveys for common and special-status species, with federal permits for Ridgway's Rail (formerly CA Clapper Rail), California Tiger Salamander, and California Red-legged Frog, in addition to California Department of Fish and Wildlife (CDFW) general scientific permit, and CDFW general plant permit. Secure permits for clients who must comply with local, state, and federal regulatory measures. Since 1998, author of more than 100 Initial Studies, Biological Assessments, EIR "Biological Resource" chapters, habitat alteration plans, and planting plans. 2) Adjunct faculty at Merritt College, teaching all its bird classes to adults (see warblerwatch.com and its "College Classes & Slide Shows" area to note some of my birding class theme options). 3) Birding Guide — Birding Guide in Marin County, Birding Guide in Sonoma County, San Francisco birding guide, and California birding guide. (See warblerwatch.com and click on "Birding Tours" tab.)