Word: osprey
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Dates: during 1970-1979
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...year because pelican eggs are collapsing and killing the embryos. The mothers ingested DDT which upset their calcium metabolism. That caused them to lay thin-shelled eggs that could not support their weight. Pelican eggs collapsed in the rookeries all the way from Anacapa to Mexico. The pelican, the osprey, the cormorant, the petrel, the seagull, the American Bald Eagle and the peregrine falcon: all of their eggs are collapsing, the shells are too thin. No new generations are being born...
...year because pelican eggs are collapsing and killing the embryos. The mothers ingested DDT which upset their calcium metabolism. That caused them to lay thin-shelled eggs that could not support their weight. Pelican eggs collapsed in the rookeries all the way from Anacapa to Mexico. The pelican, the osprey, the cormorant, the petrel, the seagull, the American Bald Eagle and the peregrine falcon: all of their eggs are collapsing, the shells are too thin. ?o new generations are being born...
...turn out in great numbers to try to keep the Hudson safe for sturgeon. But the U.S. is becoming aware that nature nuts, bird watchers (as private interests call them) and conservationists may be fighting not only for the survival of the shad, the blue heron and the osprey, but for the survival of the human species. Boyle tells the story of 19th century Naturalist Verplanck Colvin who gave his life struggling to create what eventually became Adirondack State Park. The story-and this book-are a reminder that while Americans were busy getting and spending, much of the country...
...year because pelican eggs are collapsing and killing the embryos. The mothers ingested DDT which upset their calcium metabolism. That caused them to lay thin-shelled eggs that could not support their weight. Pelican eggs collapsed in the rookeries all the way from Anacapa to Mexico. The pelican, the osprey, the cormorant, the petrel, the seagull, the American Bald Eagle and the peregrine falcon: all of their eggs are collapsing, the shells are too thin. No new generations are being born...