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COS Blog

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A Hit Three Years in the Making
A Hit Three Years in the Making

Lauren Kostas chats with Dan Lory and Michael Avara about Big Marsh’s first Motus ping as we celebrate the third anniversary of the antennae’s installation atop the Ford Calumet Environmental Center.

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ConservationRobyn DetterlineOctober 20, 2024Motus, Saw-whet Owl, Big Marsh
Field Trip: Mindful Birding at Dunning Read Natural Area
Field Trip: Mindful Birding at Dunning Read Natural Area

COS board member Robyn Detterline recaps the mindful birding walk at Dunning Read Natural Area on Oct. 12, 2024.

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Field TripKris HansenOctober 16, 2024Dunning Read Natural Area, Mindful Birding
Field Trip: Jackson Park
Field Trip: Jackson Park

Field trip leader David Rupp recaps the COS walk at Jackson Park on Oct. 10.

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Field TripKris HansenOctober 15, 2024Jackson Park
Field Trip:  Rainbow Beach
Field Trip: Rainbow Beach

COS Board Member Vinod Babu recaps the field trip to Rainbow Beach and Park 566 on Oct. 13, 2024.

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Field TripKris HansenOctober 14, 2024Rainbow Beach
Field Trip: Montrose Sanctuary and Dunes
Field Trip: Montrose Sanctuary and Dunes

Vinod Babu recaps the COS field trip to Montrose Sanctuary and Dunes on Oct. 4, 2024.

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Field TripKris HansenOctober 10, 2024Montrose Beach
Plover Dreams
Plover Dreams

Outreach intern Jessica Cortez reflects on her summer at the beach educating the public about the city's beloved plovers.

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Community, AdvocacyRobyn DetterlineOctober 6, 2024Montrose Beach
A Year of Nights Later
A Year of Nights Later

Robyn Detterline takes a look back at the night of October 4–5, 2023, when McCormick Place killed 1,000 birds, and considers what has and still needs to be done to protect Chicago's birds.

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AdvocacyRobyn DetterlineOctober 6, 2024
Field Trip: Indiana Dunes Transit Hike
Field Trip: Indiana Dunes Transit Hike

COS member David Hoyt recaps the Indiana Dunes State Park Transit Hike on Sept. 27, 2024.

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Field TripKris HansenOctober 3, 2024
Field Trip: Nighthawk Watch at Northerly Island
Field Trip: Nighthawk Watch at Northerly Island

COS member Nora Haskell recaps the September 15, 2024, Common Nighthawk watch at Northerly Island.

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Field TripKris HansenSeptember 26, 2024Northerly Island, nighthawks
Field Trip: Coral Woods McHenry County
Field Trip: Coral Woods McHenry County

Trip leader Sammy Cabindol recaps the field trip to Coral Woods in McHenry County on Sept. 23, 2024.

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Field TripKris HansenSeptember 26, 2024Coral Woods
Field Trip: Horner Park
Field Trip: Horner Park

COS member Brighten Jelke recaps the morning bird walk at Horner Park on September 6, 2024.

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Field TripKris HansenSeptember 23, 2024Horner Park
  Field Trip: Nighthawk Watch at Horner Park
Field Trip: Nighthawk Watch at Horner Park

COS member Brighten Jelke recaps the Common Nighthawk watch at Horner Park on Aug. 28.

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Field TripKris HansenSeptember 23, 2024Horner Park, nighthawks
2024 Bird Banding MAPS Station Summary
2024 Bird Banding MAPS Station Summary

Stephanie Beilke, chair of COS's Calumet Initiative and leader of the MAPS banding station, provides highlights of this year's banding season at Big Marsh.

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ConservationRobyn DetterlineSeptember 22, 2024Big Marsh, MAPS
LaBagh Restoration Update: Summer 2024
LaBagh Restoration Update: Summer 2024

LaBagh Woods Restoration Project chair Katy Krigbaum reports on work completed this summer at the site.

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ConservationRobyn DetterlineSeptember 22, 2024LaBagh Woods
2024 Piping Plover Reflection
2024 Piping Plover Reflection

For Plover Appreciation Day, plover monitor Kris Hansen reflects on the 2024 breeding season at Montrose Beach.

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ConservationRobyn DetterlineSeptember 16, 2024Piping Plover
Field Trip Report: Douglass Park Beginner Bird Walk
Field Trip Report: Douglass Park Beginner Bird Walk

Trip leader Sammy Cabindol recaps the COS beginning birders walk at Douglass Park on September 9.

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Field TripKris HansenSeptember 10, 2024Douglass Park, Beginner
Sora in a Soccer Field: Environmental Justice in Douglass Park
Sora in a Soccer Field: Environmental Justice in Douglass Park

David Hoyt explores the environmental and community impacts of Riot Fest's takeover of Douglass Park. Originally published in the October/November 2022 issue of The Chicago Birder.

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Community, AdvocacyRobyn DetterlineSeptember 7, 2024Douglass Park
Lazy Moms We Love
Lazy Moms We Love

To celebrate Lazy Mom's Day, Lauren Kostas gives us an overview of the bird world's laziest matriarch, the Brown-headed Cowbird.

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Robyn DetterlineSeptember 7, 2024Brown-headed Cowbird
Field Trip: Jarvis Bird Sanctuary
Field Trip: Jarvis Bird Sanctuary

COS member Kris Hansen recaps the August 26 walk at Jarvis Bird Sanctuary.

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Field TripKris HansenAugust 27, 2024Jarvis Bird Sanctuary
Field Trip Report: Humboldt Park Bird and Stewardship Day
Field Trip Report: Humboldt Park Bird and Stewardship Day

Field trip leader Robyn Detterline recaps the August 17 COS Bird and Stewardship Day at Humboldt Park.

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Field TripRobyn DetterlineAugust 24, 2024Humboldt Park
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