Tuesday, January 17, 2017

Bat-friendly tequila, research play role in species recovery

This 2013 photo provided by the U.S. Fish and Wildlife shows nectar-feeding lesser long-nosed bats attracted to a hummingbird feeder during a citizen science bat migration monitoring project in southern Arizona. U.S. wildlife officials say it might be time for a toast now that the once-rare bat important to the pollination of agave plants used to produce tequila is making a comeback. (Richard Spitzer/U.S. Fish and Wildlife via AP)

AP LogoBY SUSAN MONTOYA BRYAN

ALBUQUERQUE, N.M. (AP) — Wildlife officials say it might be time for a toast now that a once-rare bat important to the pollination of plants used to produce tequila is making a comeback.

The U.S. Fish and Wildlife Service on Thursday proposed removing the lesser long-nosed bat from the endangered species list. Mexico delisted the bat in 2015, and if approved in the U.S., this would be the first bat ever removed from the nation’s list of threatened and endangered species.

Federal officials said it has taken 30 years of conservation efforts by biologists and volunteers in Mexico and the U.S. as well as tequila producers in Mexico to rebuild a healthy population.

There were once thought to be fewer than 1,000 lesser long-nosed bats in 14 known roosts throughout the region. Now, there are about 200,000 of the nectar-feeding animals and dozens of roost sites.

Jim deVos, assistant director of wildlife management at the Arizona Game and Fish Department, called the proposed delisting a great achievement.

“Many entities in both the U.S. and Mexico have worked tirelessly toward recovery and this announcement stands as testimony that dedicated efforts and sound management practices can lead to recovery of endangered species,” he said in a statement.

The flying mammal ranges from Mexico to southern Arizona and New Mexico. It depends on the nectar of agaves, cactuses and other flowering plants in the desert region.

In this May 12, 2004, file photo, the late afternoon sun highlights the leaves of an agave plant in Alamogordo, New Mexico. (Ellis Neel/Alamogordo Daily News via AP, file).
In this May 12, 2004, file photo, the late afternoon sun highlights the leaves of an agave plant in Alamogordo, New Mexico. (Ellis Neel/Alamogordo Daily News via AP, file).

In Mexico, tequila producers who rely on agaves are integrating more harvest and cultivation practices in recognition that the bats are key pollinators. Some are even marketing “bat-friendly tequila.”

In southern Arizona, residents for a decade have monitored night-time bat use of hummingbird feeders. This provided biologists with a clearer understanding of migration timing and allowed for the opportunity to capture bats and affix radio transmitters that aided in finding roost sites.

Federal land managers in New Mexico and Arizona, including at the U.S. Army’s Fort Huachuca, are including forage plants such as agaves, saguaros and other cactuses in their resource management plans to help the species.

Limiting human access to caves with roost sites and abandoned mines in the U.S. also has benefited bat populations, officials said.

Recovery efforts also have included education aimed at changing attitudes about bats and improving identification of different species. Historically, the lesser long-nosed bat was a victim of early campaigns to control vampire bats over rabies concerns and their effects on livestock.

According to a recent assessment, the Fish and Wildlife Service says the threats to the lesser long-nosed bat have been eliminated or reduced to the point that the bat has recovered and no longer meets the definition of an endangered or threatened species.

Biologists also considered the potential effects that climate change may have on the “nectar trail” that the bats follow as they migrate. They say the bat is flexible and adaptive enough to remain viable under changing conditions.

The Fish and Wildlife Service is taking comments on the proposal through March 7. A final decision will follow.

A species of buckwheat once found in only one spot in southeastern New Mexico also has been proposed for delisting. The agency pointed to the discovery of additional populations of Gypsum wild-buckwheat and efforts to limit grazing and off-roading in the areas where the plant is found.


Copyright 2017 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.


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