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Thermoregulatory effects of radiotelemetry transmitters on mallard ducklings

Journal of Wildlife Management

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Abstract

Many telemetry transmitter attachments disrupt downy insulation, and may bias survival studies during cold weather by making ducklings more susceptible to chilling. We compared thermal responses of untreated 1-day-old mallards (Anas platyrhynchos) to ducklings carrying external sutured backpack or subcutaneously implanted transmitters. Ducklings carrying external transmitters showed areas of increased surface temperature in thermographic images. However, open-circuit respirometry studies at 5, 10, 15, 20, and 25 C and wind speeds of 0.1, 0.2, 0.5, and 1 m/s indicated no biologically significant differences in total heat production, net heat production, or short-term body mass loss. These results do not exclude the possibility of other negative effects of transmitters on duckling behavior and survival.

Additional Publication Details

Publication type:
Article
Publication Subtype:
Journal Article
Title:
Thermoregulatory effects of radiotelemetry transmitters on mallard ducklings
Series title:
Journal of Wildlife Management
Volume
60
Issue:
3
Year Published:
1996
Language:
English
Publisher:
Indiana State Univ, Dept of Life Sciences
Publisher location:
Terre Haute,IN
Contributing office(s):
Upper Midwest Environmental Sciences Center
Description:
pp. 669-678
Larger Work Type:
Article
Larger Work Subtype:
Journal Article
Larger Work Title:
Journal of Wildlife Management
First page:
669
Last page:
678
Number of Pages:
10