Maximum diving depths of the Adelie penguin, Pygoscelis adeliae, during the chick rearing period, in Prydz Bay, Antarctica

Whitehead, Michael D.

doi:10.1007/bf00287432

Cited by 30 publications

(23 citation statements)

References 19 publications

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“…In one subcolony, where foraging trip duration was measured using a weighbridge as described below, among 22 monitored nests (al most all members with radio frequency ID [RFID] tags), there were no chicks in the crèche stage on 10, 15, 20, and 25 December, but by 31 December, 5 January, and 10 January, respectively, 5, 28, and 86% of nests had chicks in crèches. Adélie penguins forage by diving, mostly at depths ≤50 m but to a maximum of ~175 m (Whitehead 1989, Watanuki et al 1997, Ainley & Ballard 2011. During the study period, we equipped 46 adult birds, each having at least one chick, with 'Splash' tags (Wildlife Computers) that measure diving behavior as well as location.…”

Section: Investigation Of Adélie Penguin Foraging/chick Provisioningmentioning

confidence: 99%

Trophic cascades in the western Ross Sea, Antarctica: revisited

Ainley¹,

Ballard²,

Jones³

et al. 2015

Mar. Ecol. Prog. Ser.

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Section: Investigation Of Adélie Penguin Foraging/chick Provisioningmentioning

confidence: 99%

Trophic cascades in the western Ross Sea, Antarctica: revisited

Ainley¹,

Ballard²,

Jones³

et al. 2015

Mar. Ecol. Prog. Ser.

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“…Although the biology of these birds has been well studied during their summer breeding season (e.g. Whitehead 1989, Whitehead et al 1990, Kerry et al 1995, Watanuki et al 1997, Clarke 2001, little is known about the distribution or behaviour of Adélie penguins over the winter months. Adélie penguins are known to spend their winters among the pack-ice (Ainley et al 1992, 1993, 1994, 1998, Fraser & Trivelpiece 1996 but how far they migrate as juveniles or adults, and whether they travel continuously or remain in specific regions, is poorly understood.…”

Section: Introductionmentioning

confidence: 99%

Post-fledging and winter migration of Adélie penguins Pygoscelis adeliae in the Mawson region of East Antarctica

Clarke¹,

Kerry²,

Fowler³

et al. 2003

Mar. Ecol. Prog. Ser.

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Seven fledging Adélie penguin Pygoscelis adeliae chicks and 4 post-moult adults were satellite tracked using the Argos system during the winters of 1995-97 and 1998, respectively. Six fledglings departed from Béchervaise Island near Mawson station (67°35' S, 62°49' E) during late February of 1996 and 1997 and were tracked for up to 5 mo before transmissions stopped. The 7th fledgling left Magnetic Island near Davis station (68°33' S, 77°54' E) in February 1995 and was tracked for 32 d. All fledglings travelled northward initially, then westward along the edge of the fast ice or in the pack-ice. Fledglings had travelled between 536 and 1931 km to the west of their natal colonies by the time transmissions ceased. Adult Adélie penguins were tracked between March and October 1998, following completion of their annual moult at Bechérvaise Island. Instruments were set to transmit for 2 h every 10th day over the first 5 mo and 1 d in 4 thereafter. Adult birds travelled westward until July, after which time they moved north within the expanding pack-ice into known areas of high krill concentration before returning eastward toward their breeding sites. Penguin movements over the winter months were closely related to those of sea ice in the region. Ice motion patterns were in turn influenced by gyral oceanic current systems and wind. We propose that large gyral oceanic systems provide a means for Adélie penguins to reduce costs of transport as they travel into regions of high productivity during winter and return to their breeding colonies in spring.

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“…The recording of a single maximum depth in diving seabirds over a specified period of time has profound physiological implications but may give a very biased view of ecologically relevant depths (Burger & Wilson 1988, Whitehead 1989. In a further developmental step, in order to determine norms rather than extremes of depth use, the capillary tube system was modified by positioning a radioactive bead of phosphorus on the water-air interface and the tube was placed on X-ray film sealed inside a waterproof sachet (Wilson & Bain 1984).…”

Section: In-depth View Of Seabird Foragingmentioning

confidence: 99%

Technological innovation in archival tags used in seabird research

Wilson¹,

Vandenabeele²

2012

Mar. Ecol. Prog. Ser.

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The first archival tags were used on seabirds in the 1960s. Since that time, when recording systems were primitive, various technological advances, culminating in solid state devices, have provided the seabird research community with extraordinarily sophisticated and powerful tags. This work documents the progress and development of archival tags used on seabirds. Major advances and the insights that these have provided into seabird behavioural ecology are highlighted, followed by an examination of the current limitations to our ability to study seabird ecology and speculation on what the future will bring to this exciting and dynamic field.

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Maximum diving depths of the Adelie penguin, Pygoscelis adeliae, during the chick rearing period, in Prydz Bay, Antarctica

Cited by 30 publications

References 19 publications

Trophic cascades in the western Ross Sea, Antarctica: revisited

Trophic cascades in the western Ross Sea, Antarctica: revisited

Post-fledging and winter migration of Adélie penguins Pygoscelis adeliae in the Mawson region of East Antarctica

Technological innovation in archival tags used in seabird research

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