An improved, simple nest-box trap

نویسندگان

  • Scott L. Friedman
  • Rebecka L. Brasso
  • Anne M. Condon
چکیده

The success of ornithological studies often hinges on a researcher’s ability to capture individuals quickly and efficiently. Sometimes it is necessary to capture the same individual multiple times, as is the case in many metabolic, ecotoxicological, and immunocompetence studies. Several methods of capturing cavity-nesting birds at their nest boxes have been described. However, these methods proved inefficient when attempting to catch wary individuals that had already been captured previously. Here we describe a simple and inexpensive method for capturing cavity-nesting birds using a square plate of sheet metal (5.8 × 5.8 × 0.2 cm), a drinking straw, a piece of duct tape, and a monofilament line. This method has the advantages of allowing selective capture of one, but not both members of a pair and being nearly invisible to trap-shy birds. SINOPSIS. Una caja mejorada para atrapar aves El éxito de estudios ornitológicos está atado, muchas veces, a la habilidad del investigador para atrapar aves de forma rápida y eficiente. En ocasiones es necesario capturar el mismo individuo multiples veces, como es en el caso de estudios metabólicos, ecotoxicológicos o de inmunocompetencia. Se han descrito varios métodos para atrapar aves que anidan en cajas. Sin embargo, estos métodos han provado ser ineficientes cuando se intenta capturar aves que han sido alertadas por haberse capturado anteriormente. Describimos un método, simple y de bajo costo, para capturar aves que anidan en cajas, utilizando una plancha cuadrada de metal (5.8 × 5.8 × 0.2 cm), un sorbeto y un pedazo de cinta adhesiva plástica (duck tape) y un monofilamento. Este método tiene ventajas, y permite la captura selectiva de uno de los miembros de la pareja. El mismo es virtualmente invisible para las aves.

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تاریخ انتشار 2008