The nesting, reproductive performance, and chlorinated hydrocarbon residues in the red-tailed hawk and great horned owl in south-central Montana

Author(s)
Seidensticker, John C. and Harry V. Reynolds
Year
Article Title
The nesting, reproductive performance, and chlorinated hydrocarbon residues in the red-tailed hawk and great horned owl in south-central Montana
Volume
83
Issue
4
Pages
408-418
Start Page Number
408
Final Page
418
Review

Datapoints

Displaying 1 - 5 of 5 datapoints.
Species: Great Horned Owl (Bubo virginianus)
Chemical Exposure Endpoint Type Toxicity Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Study Duration Specific Location Range Type
Time of Nesting period from first territory selection to last brood fledged mid-Feb to Jun 20 15 nests Adult south-central Montana Exposure Factor Datasets
Fledging or Weaning Rate percent of nests known to fledge young 64% 11 nests Fledgling south-central Montana Exposure Factor Datasets
Hatching Success percent of eggs hatched in nests that produced young 100% 11 nests Nestling south-central Montana Exposure Factor Datasets
Clutch or Litter Size 2.2 6 nests eggs/clutch Adult south-central Montana 2-3 Exposure Factor Datasets
DDD (4,4'-), DDE (4,4'-), DDT (4,4'-), DIELDRIN, HEPTACHLOR EPOXIDE TOX-REPRO - physiology eggshell thickness compared to pre-1946 museum speciments no effect 3 eggs Adult NR south-central Montana Toxicity Factor Datasets

Comment

Please let us know if the information on this page is helpful for you. Enter your comment and leave your email address if you would like to receive a response. Thank you!
OEHHA is subject to the California Public Records Act and other laws that require the release of certain information upon request. If you provide comments, please be aware that your name, address and e-mail may be available to third parties. In addition, all public comments will be posted on our web site upon the close of the comment period.
OEHHA California Office of Environmental Health Hazard Assessment