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Guam's Birds Threatened as Air Force Project Takes Wing

U.S. biologists fear the 'fastest extinction' of some species as a base expansion is planned with exemption from environmental rules.

December 05, 2004|Elizabeth Shogren | Times Staff Writer

WASHINGTON — Guam's tropical forests are silent. The rattling, screeching and cawing of the island's native birds have been erased by the brown tree snake, a devastating predator accidentally introduced to the island shortly after World War II.

Today, just as U.S. government biologists hope they may be able to reintroduce endangered birds, a new threat to the nearly extinct species is looming: a major expansion of U.S. military facilities on Guam is expected to sharply reduce wildlife habitat.

The future of birds on Guam may provide a telling first test of new U.S. policy, proposed by the Bush administration and approved by Congress last year, which exempts military facilities from the "critical habitat" provisions of the Endangered Species Act.

These provisions required the military to consult with the U.S. Fish and Wildlife Service to determine if any of its actions would harm such species as the birds of Guam.

Caught in the tug-of-war are the tropical forests on Andersen Air Force Base. The Fish and Wildlife Service says they are essential for the conservation of the endangered Micronesian kingfisher and the Mariana crow.

The agency initially proposed designating 24,803 acres of Guam's forests as critical habitat for the birds. After Congress gave the military the exemption from critical habitat, the agency slashed its proposal to 376 acres.

It is not clear how much of the forest would be cut down for the base expansion, but the majority of the island's suitable habitat is on base land.

The Air Force says it wants to develop the land to ensure its military readiness in the region. Guam, an unincorporated territory of the U.S., is a major air and naval staging ground in the Pacific.

No blueprint of the military's plans for Andersen is publicly available. But Col. Steve Wolborsky, the vice commander of the 36th Air Expeditionary Wing, said the Air Force expected to spend $1 billion to $2 billion to develop Andersen over the next several years, according to American Forces Press Services.

Gordon Rodda, a U.S. Geological Survey biologist who was on Guam last month, said he was told to expect that most of the forest would be cut down for development. He said the message was: "Don't think buildings, think city."

Rodda and several other biologists took the unusual step of raising alarms about the effect that the military's exemption from environmental provisions would have on Guam's birds.

If Andersen Air Force Base grows as planned, the result will be "the fastest extinction I have witnessed in my life," said Susan Haig, a U.S. Geological Survey biologist who has worked on Guam bird recovery since 1987.

Some policy officials at Fish and Wildlife said they hoped the military would continue to protect endangered species.

"Expansion of Andersen is not necessarily mutually exclusive with implementing recovery for these species," said Gina Shultz, acting field supervisor of Fish and Wildlife's Pacific island office "But I'm working in a vacuum here, I have no idea where they're expanding [or] how much."

When the administration advocated exempting the military from the critical habitat provisions, it argued that the military could be trusted to protect the environment. Shultz said history suggested that the base would be a good steward of the island's natural resources.

For example, over the last few years the base voluntarily agreed to allow the introduction of 17 endangered Mariana crows and 62 Guam rails, a flightless bird that is also on the endangered species list. The rails died, but several of the crows survived and now are protected by provisions of the Endangered Species Act from which the military is not exempt, wildlife officials said.

Others have argued that because environmental protection is not the military's primary mission, the Pentagon cannot be relied on to safeguard natural resources.

The Guam birds' story "is symbolic of why environmentalists fight over regulations and sometimes are suspicious of vague sets of promises and guidelines," said John Kostyak, senior counsel for the National Wildlife Federation, an environmental group.

The wildlife agency said the future of the species would hinge on the military's commitment to them as detailed in its Integrated Natural Resources Management Plan. The document included a project, 14 years in the works, to build a snake barrier around a 60-acre area on the base for the birds' benefit.

Brown tree snakes have no natural predators on the island and their numbers have grown to thousands per square mile. Barriers are one of the few ways to manage the population and are considered essential to creating safe habitat for other species.

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