The Crisis for Birds Is a Crisis for Us All
Nearly one-third of the wild birds in the United States and Canada have vanished since 1970, a staggering loss that suggests the very fabric of North America’s ecosystem is unraveling.
The disappearance of 2.9 billion birds over the past nearly 50 years was reported today in the journal Science, a result of a comprehensive study by a team of scientists from seven research institutions in the United States and Canada.
As ornithologists and the directors of two major research institutes that directed this study, even we were shocked by the results. We knew of well-documented losses among shorebirds and songbirds. But the magnitude of losses among 300 bird species was much larger than we had expected and alarmingly widespread across the continent.… Seguir leyendo »