Rat Island

While the subject may not be directly related to the current project that I’m working on — Pirat Tales: The Legend Of The Cat ‘O Nine Tails — this particular news item did catch my attention.

Biologists aim to wipe out “Rat Island”

(Reuters) — Two centuries after rats first landed on a remote Aleutian island from a shipwreck, wildlife managers in Alaska are plotting how to evict the non-native rodent from the island that bears their name.

Rat Island, like many other treeless, volcanic islands in the 1,000-mile (1,609-km) long Aleutian chain, is infested with rats that have proved devastating to wild birds that build nests in the earth or in rocky cliffs.

“They pretty much made the island worthless for a lot of wildlife,” said Art Sowls, a biologist with the Alaska Maritime National Wildlife Refuge, which sprawls across the Aleutians and other Alaska islands.

Rodents have reigned at Rat Island at the western end of the Aleutians since the 1780 shipwreck of a Japanese sailing ship, wreaking havoc on millions of seabirds with no natural defenses against land predators.

The U.S. Fish and Wildlife Service, which manages the Maritime refuge, is drawing up plans to wipe out Rat Island’s rats. A formal proposal is expected in about a month, according to Sowls.

The agency is trying to find an effective way to wipe out rat populations without harming other wildlife. Rat Island is a good starting point, according to biologists, for a removal program because it is small without much other wildlife.

Rats are a problem shared by remote islands all around the world. Biologists said successful rat removal programs have taken place in more than 250 islands including Campbell Island south of New Zealand and Langara Island in British Columbia.

“A lot of people go, ‘Oh they’re just rats, what’s the big deal?’,” said Ron Clarke, assistant wildlife conservation director at the Department of Fish and Game.

Once informed about the environmental destruction wrought by rats, citizens are generally determined to avoid them. Rats are blamed for causing about half the extinctions of various species worldwide since the 1600s and are persistent nuisances once established, said Clarke.

“They’re very good swimmers. They’ll eat anything. They’re just very good at surviving,” Clarke said.

Upon further reading I learned that the only parts of the birds that the rats eat are the eyeballs and the brains. I think I’ll leave that element out of my stories.

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