Comparison of Aggression between Female Elephant Seals with Pups and without Pups towards Non-Filial Pups

• Main Authors: Bhayani, Sejal, Centeno, Antonia, Nguyen, Quang
• Format: Text
• Language: unknown
• Published: Scholarly Commons 2012
• Subjects: Biology; Elephant Seal; Elephant Seals
• Online Access: https://scholarlycommons.pacific.edu/purcc/2012/events/28

Our research tests the hypothesis that adult female elephant seals with pups are more aggressive toward strange (non-filial) pups than are females without pups. Working from video recordings of portions of the elephant seal colony, we will observe and tabulate behavior of equal numbers of both types of females toward non-filial pups, analyzing interactions one female at a time. This research was conducted in 2012 in two separate weekends at San Simian on January 21st and 22nd, and February 4th and 5th. It was observed that females were aggressive to non-filial pups through the behaviors of biting, chasing, and vocalizations. Our hypothesis states that females who have pups are more aggressive towards non-filial pups than are females without pups. The approach to sampling will be done through focal sampling female elephant seals with and without pups once an interaction with a non-filial pup presents itself. By sampling each female separately for ten minute intervals, the data can be used to quantify the amount of times a female exhibits aggressive behavior. Preliminary findings show that females who have pups are more prone to being aggressive towards non-filial pups.