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Colorado - Avian influenza in wild birds 2024-2026

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
ColoradoLarimer1/4/20263/2/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
ColoradoLarimer1/4/20263/2/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
ColoradoWeld1/24/20263/2/2026EA H5Great horned owlWild birdMorbidity/Mortality
ColoradoLarimer2/5/20263/2/2026EA H5Great horned owlWild birdMorbidity/Mortality
ColoradoLarimer1/12/20263/2/2026EA H5Cooper's hawkWild birdMorbidity/Mortality
ColoradoLarimer1/30/20263/2/2026EA H5Great horned owlWild birdMorbidity/Mortality
ColoradoLarimer1/10/20263/2/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
ColoradoLarimer1/22/20263/2/2026EA H5Great horned owlWild birdMorbidity/Mortality
ColoradoLarimer1/14/20263/2/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
ColoradoJefferson1/17/20263/2/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
ColoradoWeld2/19/20262/25/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
ColoradoLarimer2/17/20262/24/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
ColoradoWeld2/10/20262/24/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/9/20262/24/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/9/20262/24/2026EA H5Horned larkWild birdAgency harvest
ColoradoWeld2/8/20262/24/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/8/20262/24/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/8/20262/24/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/7/20262/24/2026EA H5Horned larkWild birdAgency harvest
ColoradoWeld2/14/20262/24/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
​...

https://www.aphis.usda.gov/livestoc...-influenza/hpai-detections/wild-birds?page=2​
 
Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: March 10, 2026
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State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method
ColoradoWeld2/17/20263/3/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/12/20263/3/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/14/20263/3/2026EA H5Rock pigeonWild birdMorbidity/Mortality
ColoradoWeld2/11/20263/3/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/11/20263/3/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/11/20263/3/2026EA H5House sparrowWild birdAgency harvest
ColoradoWeld2/11/20263/3/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/13/20263/3/2026EA H5Rock pigeonWild birdAgency harvest
ColoradoWeld2/13/20263/3/2026EA H5House sparrowWild birdAgency harvest
ColoradoWeld2/13/20263/3/2026EA H5Western meadowlarkWild birdAgency harvest

...
https://www.aphis.usda.gov/livestoc...n-influenza/hpai-detections/wild-birds?page=1
 
Detections of Highly Pathogenic Avian Influenza in Wild Birds

Last Modified: May 28, 2026
...
State County Collection Date Date Detected HPAI Strain Bird Species WOAH Classification Sampling Method
ColoradoLarimer2/9/20265/21/2026EA H5Great horned owlWild birdMorbidity/Mortality
ColoradoLarimer2/25/20265/21/2026EA H5Sharp-shinned hawkWild birdMorbidity/Mortality
ColoradoLarimer2/17/20265/21/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
ColoradoLarimer2/14/20265/21/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
ColoradoLarimer2/21/20265/21/2026EA H5Red-tailed hawkWild birdMorbidity/Mortality
​...
https://www.aphis.usda.gov/livestoc...-influenza/hpai-detections/wild-birds?page=1​
 
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