All states / Colorado

Sick birds in Colorado?

Colorado State Veterinarian's Office, Colorado Department of Agriculture

State reporting line

303-869-9130

Colorado avian influenza page

Or USDA, from any state

1-866-536-7593

Toll free, USDA Veterinary Services.

When to call

Call if several birds die in a short time, a bird dies with no warning, or your flock shows signs like gasping, a twisted neck, swollen or purple combs and wattles, or a sudden drop in eggs. The full list of signs.

Until someone calls you back, keep birds, eggs, manure and equipment on the property, shut the flock in, and keep any dead birds bagged and cool in case they're needed for testing. What to do while you wait.

Wild birds in Colorado

Agency: Colorado Parks and Wildlife (local office)
Online: Report or learn more

Large die-offs can also go to USDA Wildlife Services at 1-866-487-3297. Handling dead wild birds safely.

Where these numbers come from

State lab: CSU Veterinary Diagnostic Laboratory (Fort Collins); Avian Health Hotline at CSU 970-297-4008
Sources: ag.colorado.gov
Checked: October 15, 2026

Agencies change numbers. If this one is wrong, please let us know.