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For assistance with a U.S. FWS ECOS web application available from the ECOS home page:

Please use our help desk web form or call us at 970-266-2999, 8am - 4pm Mountain Time, M-F.

If you have a concern related to Threatened & Endangered Species or FWS policy such as:
  • There may be an endangered species on land being developed.
  • You saw endangered species and want to report it.
  • Someone has killed or is hunting endangered species.
  • Any other species-related questions or concerns.

Please contact the Fish & Wildlife Service at 1-800-344-WILD (9453) or go to the list of FWS offices to contact your local FWS office.

If you would like more information on laws and regulations for hunting, importing, or exporting, please visit: