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PEREGRINE FALCON POPULATIONS: THEIR BIOLOGY AND DECLINE., Hickey, Joseph J., ed.  (Daniel Anderson, Clayton White, Frank Beebe, Morlan Nelson, James Enderson, Richard Banks, Richard Fyfe, Joseph Hagar, James Rice, Horst Schroder, Jean-Francois Terrasse, Hans Herren, Ian Prestt, Tom Cade, Walter Spofford, e
1 Hickey, Joseph J., ed. (Daniel Anderson, Clayton White, Frank Beebe, Morlan Nelson, James Enderson, Richard Banks, Richard Fyfe, Joseph Hagar, James Rice, Horst Schroder, Jean-Francois Terrasse, Hans Herren, Ian Prestt, Tom Cade, Walter Spofford, e PEREGRINE FALCON POPULATIONS: THEIR BIOLOGY AND DECLINE.
University of Wisconsin Press, Madison, 1969. 
596 pp, large 8vo (9 3/4" H), hard cover in dust jacket. B&w tables, graphs, maps, photographs. "(D)escribes a contemporary ecological disaster and the search to explain it. Its extensive analysis offers, on the one hand, an unusual landmark in p opulation biology and, on the other, perhaps the requiem of a species. Once the prized favorite of medieval falconers, the cosmopolitan peregrine falcon was, until quite recently, a remarkably successful example of avian evolution. By the earl y 1 9 60's, however, peregrine populations were catastrophically declining on two continents. Other raptors were mysteriously and rapidly decreasing too. In an effort to establish the cause or causes of these unprecedented events, an internationa l c on fe rence of scientists, naturalists, and conservationists was convened at the University of Wisconsin in 1965. (This book) summarizes the proceedings of this conference and the enormous pool of unpublished population data that these investig at or s b rou ght together. (It) examines a wide variety of adverse factors - diseases, parasites, and human harassment - and reaches the conclusion that the concentration of chlorinated hydrocarbons by bird- and fish-eating raptors is the only hyp oth esi s th at c an adequately explain the simultaneous populations failures of so many species on both sides of the Atlantic Ocean. A concluding chapter in the book briefly describes the research gaps that ecologists promptly closed after the con clus ion of th e con ference: insecticides were found in high levels in surviving peregrines in Alaska and the Canadian Arctic. A dramatic change in eggshell thickness was found to have overtaken various species of raptors in Britain, California, a nd Ma ssac husett s in 1 947. And chlorinated hydrocarbon residue levels in eggs were shown to be inversely correlated with eggshell thickness. The increasing production of persisting insecticides now appers to be a threat to the world's biota on a much wide r scale than t he one described in this book. The arguments and the data here presented will be of great interest to scientists, conservationists, naturalists, and laymen concerned with the pollution of our environment and with the su btle de layed effects that mod ern chemicals have on our wildlife resources." Previous owner's name stamp on free front endpaper, bottom edge and fore-edge of text block, slight shelf soiling on bottom of text block, two small areas of light soilin g on top of te xt block , light e dge wear, light wrinkling at top/bottom of spine. Dust jacket has light edge wrinkling/wear, several small closed tears - some with creases, a few tiny chips, light soiling and rubbing, small closed puncture on re ar hinge - archi vally tap ed. Very Good/Good+ 
Price: 70.00 USD
Toronto Natural Heritage 1997 189621925X / 9781896219257 Soft Cover Near Fine 
82 pp, 9" H. "In this new collection of poems, noted naturalist-writer, Robert Nero, offers insightful reflections on a variety of birds, from peregrine falcons, great grey owls and common ravens to purple martins and orioles. We are also offered surprising glimpses of such diverse wildlife as frogs, chipmunks, shrews, ants, dragonflies and spiders. It is nature in all seasons that holds Dr. Nero's attention as he develops intriguing views of ordinary scenes and events. But the poems in this collection also speak of love, passion and introspection, thus revealing a deeper and increasingly personal side of one of Canada's most respected naturalists. A combination of scientific training and experience, along with ecological awareness and writer's craft, is brought to bear in this fine assortment of poems." Interior - clean and tight with no previous ownership marks. Exterior - clean and bright. 
Price: 10.00 USD
PEREGRINE FALCONS., Savage, Candace.  Foreword by Adrian Forsyth.
3 Savage, Candace. Foreword by Adrian Forsyth. PEREGRINE FALCONS.
Vancouver Douglas & McIntyre 1992 1550540106 / 9781550540109 First Edition Hard Cover Very Good+ Very Good 
145 pp, 12 1/4" H. Beautifully illustrated with colour photographs of peregrine falcons, their habitats, nests, eggs, and young provided by 35 of the world's best-known wildlife photographers and falcon researchers. "(T)he peregrine's recent history holds a cautionary tale: in the 1950s and 1960s, these magnificent birds were nearly wiped out when their food chain was contaminated with pesticides, primarily DDT. (Fortunately) they were saved from extinction with the help of a multimillion dollar recovery program. The peregrine is on the wing again throughout much of its range. But as the author warns, we still have not roused ourselves to face the real enemy. DDT and other persistent pesticides continue to be manufactured and exported to the Third World, and the chemical compounds currently used in Western countries may be almost as deadly. We must change agricultural practices on a global scale, Savage argues; only then will we be heeding the message of hope the falcon has long been empowered to bring." Light wrinkling at top of spine. Dust jacket has very light edge wear/wrinkling at top/bottom of spine and flap-folds. 
Price: 20.00 USD

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