ON THE PRESENCE OF A VAGRANT JUAN FERNÁNDEZ FUR SEAL (Arctocephalus philippii) IN THE PACIFIC COAST OF COLOMBIA: A NEW EXTRALIMITAL RECORD

نویسندگان

  • F Grandi
  • Isabel Cristina Avila
  • Juan José Alava
  • Carlos Andrés Galvis Rizo
چکیده

We report the first record of a male Juan Fernández fur seal, Arctocephalus philippii (Peters, 1866), in the Colombian Pacific coast. The animal was mainly identified according to the external morphology of the head and snout. This observation is the first northernmost record for A. philippii in the Southeastern Pacific, with an extreme movement covering a total distance of approximately 3700-4600 km from its normal geographic range, including the Juan Fernández Archipelago and Desventuradas Islands (San Félix and San Ambrosio), Chile. This finding indicates that vagrant individuals can reach new sites in the Northern Hemisphere and could have a broader geographical displacement than previously thought. RESUMEN. Sobre la presencia de un lobo peletero de Juan Fernández (Arctocephalus philippii) en la costa del Pacífico de Colombia: un nuevo registro extra-limital. Informamos el primer registro de un macho del lobo fino peletero Juan Fernández, Arctocephalus philippii (Peters, 1866), en la costa Pacífica de Colombia. El animal fue identificado principalmente de acuerdo a la morfología externa de la cabeza y del hocico. Este registro es el más septentrional para A. philippii, con un gran desplazamiento que cubre una distancia total de aproximadamente 3700-4600 km desde su rango de distribución normal que incluye el Archipiélago de Juan Fernández e Islas Desventuradas (San Félix y San Ambrosio), Chile. Este hallazgo indica que animales errantes de esta especie pueden llegar a nuevos sitios en el hemisferio norte y, por ende, podrían exhibir un desplazamiento geográfico más amplio que lo descrito previamente.

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تاریخ انتشار 2014