Quotes & Sayings About Introduced Species

An island, on the other hand, is small. There are fewer species, and the competition for survival has never reached anything like the pitch that it does on the mainland. Species are only as tough as they need to be, life is much quieter and more settled [..] So you can imagine what happens when a mainland species gets introduced to an island. It would be like introducing Al Capone, Genghis Khan and Rupert Murdoch into the Isle of Wight - the locals wouldn't stand a chance. — Douglas Adams

Golden eagles don't mate with bald eagles, deer don't mate with antelope, gray wolves don't mate with red wolves. Just look at domesticated animals, at mongrel dogs, and mixed breed horses, and you'll know the Great Mystery didn't intend them to be that way. We weakened the species and introduced disease by mixing what should be kept seperate. Among humans, intermarriage weakens the respect people have for themselves and for their traditions. It undermines clarity of spirit and mind. — Russell Means

In laying hands upon the sacred ark of absolute permanency, in treating the forms that had been regarded as types of fixity and perfection as originating and passing away, the Origin of Species introduced a mode of thinking that in the end was bound to transform the logic of knowledge, and hence the treatment of morals, politics, and religion. — John Dewey

In the bibulous days of Shakespeare, the peg tankard, a species of wassail or wish-health bowl, was still in use. Introduced to restrain intemperance, it became a cause of it, as every drinker was obliged to drink down to the peg. We get our expression of taking a man "a peg lower," or taking him "down a peg," from this custom. — William Shakespeare

Nature has introduced great variety into the landscape, but man has displayed a passion for simplifying it. Thus he undoes the built-in checks and balances by which nature holds the species within bounds. — Rachel Carson

The antisemites who called themselves patriots introduced that new species of national feeling which consists primarily in a complete whitewash of one's own people and a sweeping condemnation of all others. — Hannah Arendt

Books, gentlemen, are a species of men, and introduced to them you circulate in the "very best society" that this world can furnish, without the intolerable infliction of "dressing" to go into it. In your shabbiest coat and cosiest slippers you may socially chat even with the fastidious Earl of Chesterfield, and lounging under a tree enjoy the divinest intimacy with my late lord of Verulam. — Herman Melville