Skip to main content
U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Search Results

182215 results.

Alternate formats: RIS file of the first 3000 search results  |  Download all results as CSV | TSV | Excel  |  RSS feed based on this search  |  JSON version of this page of results

Page 6340, results 158476 - 158500

Show results on a map

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,...
Pesticide residues in eagles
W.L. Reichel, Eugene Cromartie, Thair G. Lamont, B.M. Mulhern, R.M. Prouty
1969, Pesticides Monitoring Journal (3) 142-144
Bald and golden eagles found sick or dead in 18 States and Canada during 1964-1965 were analyzed for pesticide residues. Residues in bald eagles were considerably higher than in golden eagles. Residues of DDE, DDD, and dieldrin were detected in all samples of bald eagle carcasses; other compounds...
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...