These rabbits are believed to be intentionally released domestic European rabbits, the kind sold at pet stores. Most island residents are unaware of the destructive potential of these cuddly, doe-eyed creatures. And pet owners who tire of their animals may think the park a perfect dumping ground. Yet, nothing could be further from the truth. Because native plants evolved in isolation, free from the grazing pressures of chompers and stompers, there are rarely any nasty thorns, obnoxious odors, or unpleasant tastes to deter a rabbit ' s incessant nibbling.
Bunnies find the young leaves, seedlings, and buds of trees, shrubs and ferns simply irresistible.
Six rabbits can eat as much as a single sheep. Their 20 foot long digestive systems are designed to allow consumption of huge quantities of low nutritive value food and are adapted to absorb all the available nutrients. First domesticated about 4,000 years ago, their ability to multiply is legendary. It is estimated that a single pair of rabbits and their progeny can potentially produce almost 13 million rabbits in that three year time period. Lessons learned at Haleakala National Park on Maui reinforce the urgency of immediate and intensive control methods.