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Page 6421, results 160501 - 160525

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Publication Extents

Not all publications have extents, not all extents are completely accurate
[Book review] A field guide to the birds of New Zealand and outlying islands
Chandler S. Robbins
1969, The Auk (86) 579-580
This field guide is so closely patterned after the familiar Peterson style that it may best be described in terms of its departures from that style. Color plates are disappointingly few. They depict: Penguin heads, parrots and kingfisher, eight species of ducks, a pigeon and seven species of native songbirds,...
Dieldrin and DDT: Effects on sparrow hawk eggshells and reproduction
Richard D. Porter, Stanley N. Wiemeyer
1969, Science (165) 199-200
Patterns of reproductive failure in declining populations of several European and North American raptorial species were duplicated experimentally with captive American sparrow hawks Falco sparverius that were given a diet containing two commonly used organochlorine insecticides. Major effects on reproduction were increased egg disappearance, increased egg destruction by parent birds,...
Pre-nesting and nesting behavior of the Swainson's warbler
B. Meanley
1969, The Wilson Bulletin (81) 246-257
The Swainson?s Warbler is one of the least known of southern birds. Although fairly common in some parts of its summer range, observations of its breeding biology have been made by very few persons. The present study was conducted mostly at Macon, Georgia; Pendleton Ferry, Arkansas; and Dismal Swamp, Virginia....In...
The killing efficiency of soft iron shot
R. Andrews, J. R. Longcore
1969, Transactions of the North American Wildlife and Natural Resources Conference (34) 337-345
A cooperative research effort between the ammunition industry and the Bureau of Sport Fisheries and Wildlife is aimed at finding a suitable non-toxic substitute for lead shot. A contract study by an independent research organization evaluated ways of coating or detoxifying lead shot or replacing it with another metal. As...