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Antarctic fur seals catching King penguins at sea – Video

02/02/2010 16:27:58
birds/Birds_april_09/king_penguin_beach_wx

King penguins are predated by fur seals.

New behaviour studied in the Antarctic
February 2010. The study of scats of adult male Antarctic fur seals (AFS) revealed occasional capture of penguins. Although AFS adult males have been occasionally reported to kill king penguins at the shore, we now report the first observations of at-sea predation by AFS on adult king penguins in the Crozet archipelago, southern Indian Ocean.


During our 20 days survey in 2008, we observed 17 penguins being attacked and either severely injured or killed and eaten. Only adult male seals were seen catching king penguins successfully. Some adult females and sub-adults also attempted to catch penguins, either at sea or in land, and so did sub Antarctic fur seals individuals. The results confirm the ability of fur seals to catch and predate large seabirds, even at sea.

Although early studies had indicated that AFS may attack but not eat penguins (Fischer and Hureau 1988), more recent evidence (e.g., Casaux et al. 1998) from diet concluded that penguins were indeed a food resource for AFS, but the penguin species could not be identified. Despite that it is known that AFS feed upon king penguins on land (Hofmeyr and Bester 1993; de Bruyn et al. 2008), our observations add strength to the unique similar predation documented in the water (Hofmeyr and Bester 1993).

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