Haleakala National Park Nonnative Species

Invasive non-native ungulates decimate native plants that, as they have evolved, lost unnecessary protective spines, tough bark, unpalatable taste, or poison sap. Non-native predators, from house cats to ants, overwhelm native species with no innate fear or defense against predation. Foreign diseases (avian malaria and pox) spread by alien mosquitoes have caused extinction of most native honeycreepers.

Haleakala's strategy to fence the park to exclude alien ungulates; remove all populations of feral goats, pigs and deer; and place snares at remote areas to intercept any individual ungulate that penetrates the boundary fence, now preserves the native ecosystems.

The ubiquitous mobility of modern humans, and frequent transport of accompanying biotic organisms (accidental or deliberate), now overwhelms an island ecosystem that evolved in remote isolation. Haleakala partially thwarts this ecological destruction; the park staff vigorously defends its native Hawaiian biodiversity from invasive aliens.

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Featured Park
Rising above a scene rich with extraordinary wildlife, pristine lakes, and alpine terrain, the Teton Range stands monument to the people who fought to protect it. These are mountains of the imagination. Mountains that led to the creation of Grand Teton National Park where you can explore over two hundred miles of trails, float the Snake River or enjoy the serenity of this remarkable place.
Featured Wildlife
The pika is a close relative of the rabbits and hares, with two upper incisors on each side of the jaw, one behind the other. Being rock-gray in color, pikas are seldom seen until their shrill, metallic call reveals their presence.