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Low DDT residues in plasma of bald eagles (Haliaeetus leucocephalus) wintering in Colorado and Missouri

Canadian Field-Naturalist

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Abstract

Residues of DDT and its metabolites (Z:DDT) in blood plasma from Bald Eagles (Haliaeetus leucocephalus) wintering in Colorado and Missouri were low (0.06-0.14 ?g/g) in 1977 and 1978. Most of the adult wintering birds probably nest in Canada, although a few in Missouri may be from Minnesota or the Great Lakes region. DDE residues in eggs, estimated from those in plasma, were lower than those reported from Saskatchewan in 1969-1972 (4.5 ?g/g vs. 0.67 ?g//g); this suggests reduced environmental contamination.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Low DDT residues in plasma of bald eagles (Haliaeetus leucocephalus) wintering in Colorado and Missouri
Series title:
Canadian Field-Naturalist
Volume
95
Issue:
3
Year Published:
1981
Language:
English
Contributing office(s):
Patuxent Wildlife Research Center
Description:
249-252
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Canadian Field-Naturalist
First page:
249
Last page:
252
Number of Pages:
4