Colorado - Avian influenza in wild birds 2024-2025

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds


Last Modified: July 31, 2024
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Confirmed HPAI Detections
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method

Colorado Weld 07/12/2024 07/25/2024 EA H5N1 Eurasian collared dove Wild bird Agency harvest
Colorado Weld 07/12/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/12/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/12/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/12/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/12/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 Rock pigeon Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 Rock pigeon Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 Eurasian collared dove Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 European starling Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 European starling Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/13/2024 07/25/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/10/2024 07/22/2024 EA H5 House sparrow Wild bird Agency harvest
Colorado Weld 07/10/2024 07/22/2024 EA H5 House sparrow Wild bird Agency harvest
Colorado Weld 07/10/2024 07/22/2024 EA H5 House sparrow Wild bird Agency harvest
Colorado Weld 07/10/2024 07/22/2024 EA H5 House sparrow Wild bird Agency harvest
Colorado Weld 07/10/2024 07/22/2024 EA H5 Lark sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 Rock pigeon Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 Eurasian collared dove Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 Common grackle Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 Lark bunting Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 European starling Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/11/2024 07/22/2024 EA H5N1 House sparrow Wild bird Agency harvest
Colorado Weld 07/10/2024 07/22/2024 EA H5N1 Western kingbird Wild bird Agency harvest
Colorado Prowers 02/27/2024 03/25/2024 EA H5N1 Snow goose Wild bird Morbidity/Mortality
Colorado Adams 03/04/2024 EA H5N1 Bald eagle Wild bird Morbidity/Mortality
Colorado Logan 01/27/2024 02/08/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Logan 01/27/2024 02/08/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Logan 01/27/2024 02/08/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Logan 01/27/2024 02/08/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Logan 01/27/2024 02/08/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Logan 01/27/2024 02/08/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Logan 01/28/2024 02/06/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Logan 01/28/2024 02/06/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Logan 01/28/2024 02/06/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Larimer 01/23/2024 02/06/2024 EA H5N1 Red-tailed hawk Wild bird Morbidity/Mortality
Colorado Denver 01/12/2024 01/30/2024 EA H5N1 Mallard Wild bird Agency harvest
Colorado Pueblo 01/06/2024 01/25/2024 EA H5N1 Canada goose Wild bird Morbidity/Mortality
Colorado Adams 01/16/2024 01/25/2024 EA/AM H5N1 Canada goose Wild bird Morbidity/Mortality
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https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/wild-birds

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method

Colorado Bent 12/7/2023 8/28/2024 EA/AM H5N1 Snow goose Wild bird Morbidity/Mortality
Colorado Rio Blanco 11/15/2023 8/28/2024 EA H5N1 Great horned owl Wild bird Morbidity/Mortality
Colorado Weld 12/6/2023 8/28/2024 EA/AM H5N1 Snow goose Wild bird Morbidity/Mortality
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https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/wild-birds

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: September 10, 2024
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method

Colorado Logan 12/17/2023 9/5/2024 EA H5N1 American wigeon Wild bird Hunter harvest
Colorado Logan 12/16/2023 9/5/2024 EA/AM H5N1 Mallard Wild bird Hunter harvest
Colorado Boulder 12/17/2023 9/5/2024 EA/AM H5N1 Cackling goose Wild bird Morbidity/Mortality
Colorado Logan 12/12/2023 9/3/2024 EA H5N1 American wigeon Wild bird Hunter harvest
Colorado Logan 12/12/2023 9/3/2024 EA H5N1 Mallard Wild bird Hunter harvest
Colorado Denver 11/24/2023 8/30/2024 EA H5N1 Mallard Wild bird Agency harvest
Colorado Denver 11/24/2023 8/30/2024 EA H5N1 Mallard Wild bird Agency harvest
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https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/wild-birds

[Lance]

https://wahis.woah.org/#/in-review/4247

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds
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https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/wild-birds

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: December 17, 2024
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method

Colorado	Sedgwick	11/22/2024	12/10/2024	EA H5	Green-winged teal	Wild bird	Hunter harvest
Colorado	Sedgwick	11/22/2024	12/10/2024	EA H5	Green-winged teal	Wild bird	Hunter harvest
Colorado	Sedgwick	11/22/2024	12/10/2024	EA H5	Green-winged teal	Wild bird	Hunter harvest

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https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/wild-birds

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: December 23, 2024
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method

Colorado

Sedgwick

11/30/2024

12/19/2024

EA H5

Redhead duck

Wild bird

Hunter harvest

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https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/wild-birds

[Mary Wilson]

Virus killing invasive birds in Colorado

Published: 3:14 PM MST December 24, 2024
Updated: 3:14 PM MST December 24, 2024

LA JUNTA, Colo. — Hundreds of birds have recently been reported dead in the lower Arkansas River valley, Colorado Parks and Wildlife (CPW) said.

CPW officers said an avian virus is killing invasive Eurasian collared doves near the towns of La Junta and Rocky Ford.

Two of the dead collared doves were sent to the CPW wildlife health lab and tested positive for Avian Paramyxovirus-1(PPMV-1), CPW Officer Jordon DePriest said. ...

https://www.9news.com/article/life/animals/avian-virus-colorado-collared-doves/73-54b74b48-185c-441e-a26c-27a5900e8157

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: January 03, 2025
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method

Colorado Bent 12/12/2024 1/2/2025 EA H5 Snow goose Wild bird Morbidity/Mortality
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https://www.aphis.usda.gov/livestock-poultry-disease/avian/avian-influenza/hpai-detections/wild-birds

[Lance]

https://wahis.woah.org/#/in-review/5081

[Pathfinder]

Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: January 28, 2025
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method

Colorado

Mesa

1/17/2025

1/24/2025

EA H5

Broad-winged hawk

Wild bird

Morbidity/Mortality

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https://www.aphis.usda.gov/livestock...ons/wild-birds

[Shiloh]

Source: https://arkvalleyvoice.com/chaffee-c...cal-waterfowl/

Chaffee County Public Health Confirms Case of H5N1 Avian Influenza in Local Waterfowl
Posted by Jan Wondra | Feb 6, 2025 | Chaffee County, Environment, Health, News

Chaffee County Public Health (CCPH) has been notified by Colorado Parks and Wildlife (CPW) of a confirmed case of H5N1 (but additional presumed cases), also known as Highly Pathogenic Avian Influenza (HPAI) or bird flu, in local waterfowl in Salida. A group of approximately 20 dead or sick ducks and geese was discovered near Sands Lake in Salida, and testing has confirmed they were likely all infected with the virus....