Interior’s Office of Insular Affairs Announces $3.8 Million to Counter the Brown Tree Snake on Guam

Ongoing support remains necessary to keep the BTS from spreading

Last edited 08/16/2022
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WASHINGTON – The U.S. Department of the Interior’s Office of Insular Affairs (OIA) has announced $3,802,436 for the Brown Tree Snake Control program in fiscal year (FY) 2022 funding as administered through the Technical Assistance Program.

“The Brown Tree Snake remains a challenge to Guam and we appreciate the funding support that Congress continues to provide,” said Assistant Secretary Carmen G. Cantor. “Mitigating the threat that the Brown Tree Snake continues to pose for Guam’s ecological and economic systems remains a priority as well as preventing spread to the CNMI, Hawai’i, and the Micronesia region.” 

Fiscal year 2022 funding provided for the Brown Tree Snake Control program was divided among the territorial and state governments and federal partners which are Guam, the Commonwealth of the Northern Mariana Islands (CNMI), Hawai’i, the U.S. Department of Agriculture (USDA), and the Department of the Interior as follows:


U.S. Department of Agriculture - APHIS Wildlife Services for the Guam BTS Interdiction Program 

$   921,465 

USGS Pacific Island Ecosystems Research Center for rapid-response activities and related work 

$   450,000 

CNMI Brown Tree Snake (BTS) Program for the CNMI BTS Interdiction Program 

$   376,659

U.S. Department of Agriculture - APHIS National Wildlife Research Center

$   375,000 

Hawai’i Department of Agriculture for the Hawai’i Detector Dog Program 

$   304,212 

U.S. Fish and Wildlife Services for BTS program coordination 

$   100,000 

Guam Department of Agriculture, Aquatic and Wildlife Resources for the Kontra I Kulepbla, Challenge the Snake Project! 

$      70,000 

Guam Power Authority for the continuation of the BTS Impact Research and Discovery Project 


Total fiscal year 2022 funding for Brown Tree Snake


For more information about the Brown Tree Snake program, visit the OIA website at

The Assistant Secretary of Insular and International Affairs and the Office of Insular Affairs (OIA) carry out the Secretary of the Interior’s responsibilities for the U.S. territories of American Samoa, Guam, the Commonwealth of the Northern Mariana Islands, and the U.S. Virgin Islands. Additionally, OIA administers and oversees federal assistance under the Compacts of Free Association to the Federated States of Micronesia, the Republic of the Marshall Islands, and the Republic of Palau. OIA also administers a discretionary Technical Assistance Program for all the Insular Areas.


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