Word: petrels
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...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...
...collapsing and killing the embrvos. 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 osprev, 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...
...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...
...disastrous decline in the population of the bald eagle, which is the U.S. national symbol-and the emblem of next week's Apollo 11 flight. Other predators, such as the osprey and peregrine falcon, are gradually vanishing, as are the brown pelican and the extremely rare Bermuda petrel...
...BIRDS. Hawaiian dark-rumped petrel, California least tern, the Aleutian Canada and Tule white-fronted goose, Laysan and Mexican duck, California condor, Florida Everglade kite, Southern bald eagle, masked bobwhite, whooping crane, Yuma and light-footed clapper rails, Eskimo curlew, Puerto Rican parrot, American ivory-billed woodpecker and Northern and Southern red-cock-aded woodpeckers, Laysan and Nihoa finches, Bachman's and Kirtland's warblers, dusky seaside and Cape Sable sparrows, and Hawaii's duck, goose, hawk, stilt, crow, gallinule and coot...