Peter P. Marra

“Certain bird species—herons, terns and ibises, for example—mesmerized Roosevelt. As president he insisted that killing one of these Florida exotics was a…

— Peter P. Marra

“Few problems are less recognized, but more important than, the accelerating disappearance of the earth’s biological resources. In pushing other species to…

— Peter P. Marra

“many leaders would rather postpone action—take a wait-and-see attitude—than proactively work toward a solution.”

— Peter P. Marra

“Cats are opportunistic predators by nature. If given a chance to kill a bird or other small animal, most cats will take…

— Peter P. Marra

“By the time Lyall set foot on the shores of Stephens Island, almost a third of New Zealand’s unique species were already…

— Peter P. Marra

“At the same time, they will also express great concern about the future that awaits us should this at once powerful and…

— Peter P. Marra

“As in the United States, this makes cats the most significant source of direct anthropogenic bird mortality.”

— Peter P. Marra

“The final mortality numbers showed that cats killed between 1.3 and 4 billion (median 2.4 billion) birds per year, with unowned cats…

— Peter P. Marra

“The truth is that trap-neuter-return makes people—not cats and certainly not wildlife—feel better.”

— Peter P. Marra

“The man of science has learned to believe in justification, not by faith but by verification. —Thomas Huxley”

— Peter P. Marra

“As with some examples we have shown earlier, these very vocal advocates seem to overlook the “genocide” of native animals perpetrated by…

— Peter P. Marra

“If current trends are not reversed, it is expected that at least one of New Zealand’s five kiwi species will go extinct…

— Peter P. Marra

“The cat, an introduced animal, is not needed here outside of buildings. It has disturbed the biological balance and has become a…

— Peter P. Marra

“Maybe the only explanation for people who have to ask why the Florida grasshopper sparrow matters is this: It matters not because…

— Peter P. Marra

“6.3 to 22.3 billion (median 12.3 billion) mammals were killed every year by outdoor cats.”

— Peter P. Marra

“We stopped looking for monsters under our bed when we realized that they were inside us. —Charles Darwin”

— Peter P. Marra