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Rare Hawai‘i: Promoting goal-oriented, science-based management of invasive animals in the islands Millions of years of evolution in isolation. Thousands of plant and animal species found nowhere else in the world. Introduced pigs, goats, deer, sheep, and wild cattle destroying crops and young livestock, watersheds, and native plants and animals. More than 265 extinctions and counting.

Report about invasive species in Hawaii available online From The Hawaii State Legislative Reference Bureau (pdf file)

Environmental Valuation and the Hawaiian Economy takes a look at the financial and social costs of losing native Hawai`i.

USGS's Hawaii and the Pacific Islands page. Scroll down a few pages and look for Feral Pigs, followed by Feral Goats and so on.

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FERAL SHEEP and MOUFLON: Like goats, converting native ecosystems to weeds and dust

Sheep vs. endangered birds on Mauna Kea USGS video of palila count Arizona Biologists Help Restore Mauna Kea Silversword, One Of Hawaii's Most Critically Endangered Plants Native plants used to be all over the slopes. Now they grow only on cliff faces out of the reach of invasive hoofed animals.	The native plants and animals of the island of Hawai'i are at great risk from expanding populations of sheep: European mouflon (Ovis mousimon) and feral sheep (Ovis aries) that are now legally designated as protected game mammals by the state of Hawai'i. Like goats, sheep chew vegetation right down to the dirt. Hawai'i's game mammals should be limited to fenced Game Management Areas (GMAs) in order to ensure the survival of native Hawaiian plants and animals. The longer invasive hoofed animals are allowed to reproduce and spread, the more native habitat will be lost, and the more costly their removal and habitat restoration will be.
	Mouflon are handsome animals but like all hoofed animals, are not native to Hawai'i and are relentlessly destroying the islands' native flora and fauna. This photo was taken in 2007 on Mauna Loa. Mouflon reproduce very rapidly in Hawai'i where their only predators are humans, and the state limits the number that can be taken by hunters.
	Feral sheep near Pu'u wa'awa'a, home to some of the rarest plants on Earth.