AVIS-IBIS

Birds of Indian Subcontinent

Effects of Subcutaneous Transmitter Implants on Behavior, Growth, Energetics, and Survival of Common Loon Chicks (Efecto de transmisores implantados subcutaniamente en la conducta, crecimiento energética y supervivencia de polluelos de Gavia immer)

Publication Type:Journal Article
Year of Publication:2003
Authors:Kenow, KP, Meyer, MW, FOURNIER, F, Karasov, WH, Elfessi, A, Gutreuter, S
Journal:Journal of Field Ornithology
Volume:74
Issue:2
Date Published:2003
ISBN Number:02738570
Keywords:Gavia, Gavia immer, Gaviidae
Abstract:High rates of Common Loon (Gavia immer) chick mortality have been documented in Wisconsin, especially on acidic lakes, but causes and timing of chick mortality are poorly understood. We modified and evaluated a subcutaneous transmitter implant technique for Common Loon chicks using wild and captive reared chicks. Results indicated that behavior, growth, energy expenditure, and survival did not differ significantly between chicks marked with miniature transmitters (mass 0.76 g, representing <0.8% of body mass at hatching) and unmarked chicks. /// Se han documentado, particularmente en Wisconsin, altas tasas de mortalidad en polluelos de Gavia immer particular en lagos asirificados. Sin embargo, las causas y el período de mortalidad no se entienden claramente. Evaluamos un radiotransmisor modificado implantado subcutaniamente en polluelos cautivos y silvestres de la especie antes mencionada (de masa de 0.76 g, representado <0.8% de la masa corporal al nacer). Los resultados indican que la conducta, crecimiento, gasto energético y supervivencia no varió significativamente entre los polluelos con radiotransmisores y un grupo control.
URL:http://www.jstor.org/stable/4131126
Short Title:Journal of Field Ornithology
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith