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 |
Taxonomic name: