La asociación social y el vivir en grupo, son actividades que pueden traer tanto beneficios como perjuicios dependiendo de la especie. Estos costos son balanceados en las especies altamente sociales, como los otáridos, los cuales optan por vivir en grupo para aprovechar beneficios como aprendizaje y éxito reproductivo. La rehabilitación de lobos marinos provee la oportunidad de observar a estos animales en un ambiente controlado y analizar qué conlleva a esta asociación y estimularla. Dos lobos marinos de un pelo [Otaria flavescens (Shaw, 1800)] de uno y dos años de edad fueron seleccionados de la base de rehabilitación de ORCA(Organización para la Investigación y Conservación de los Animales Acuáticos), y se sometieron a pruebas para determinar las condiciones de esta asociación y descartar la influencia humana en su comportamiento. Se registraron 25 comportamientos a travÃ...

Before this report, the distribution in the South Eastern Pacific of the Southern Right whales was knew until to 15°08’S in San Fernando Bay, Ica. Previously, southern right whales in Perú were recorded in November 1987 in Ilo, Moquegua and September 1996 in Atico, Arequipa. These records could show the possible recovery in the southeastern Pacific of the right whale population, which has been declared Critically Endangered by the IUCN. We reported a mother-calf pair sighting on August 20, 2012 in Chorrillos district, Lima from 9:30 h to 13:30 h for 4 hours.

Before this report, the distribution in the South Eastern Pacific of the Southern Right whales was knew until to 15°08’S in San Fernando Bay, Ica. Previously, southern right whales in Perú were recorded in November 1987 in Ilo, Moquegua and September 1996 in Atico, Arequipa. These records could show the possible recovery in the southeastern Pacific of the right whale population, which has been declared Critically Endangered by the IUCN. We reported a mother-calf pair sighting on August 20, 2012 in Chorrillos district, Lima from 9:30 h to 13:30 h for 4 hours.