South polar skuas from a single breeding population overwinter in different oceans though show similar migration patterns

@article{Kopp2011SouthPS,
  title={South polar skuas from a single breeding population overwinter in different oceans though show similar migration patterns},
  author={Matthias Kopp and H. U. Peter and Osama Mustafa and Simeon Lisovski and Markus S. Ritz and Richard A. Phillips and Steffen Hahn},
  journal={Marine Ecology Progress Series},
  year={2011},
  volume={435},
  pages={263-267}
}
Seabirds in seasonal environments are often long-distance migrants and, for many spe- cies and populations, their ranges throughout the non-breeding period are unknown. As conditions during the non-breeding season often affect subsequent performance, the choice of migration strat- egy can have major implications for timing of breeding and success and, ultimately, population dynamics. We tracked south polar skuas Catharacta maccormicki from a single breeding population at King George Island in… 

Figures and Tables from this paper

Population-specific wintering distributions of adult south polar skuas over three oceans

Migratory routes and the areas used during winter have probably been selected to maximize fitness by providing favorable environmental conditions outside the breeding season. In polar environments,

High variability in migration and wintering strategies of brown skuas (Catharacta antarctica lonnbergi) in the Indian Ocean

TLDR
Overall, brown skuas migrated northward to overwinter in different areas in the southern hemisphere; individuals remained in the Indian Ocean, except two that overwintered in the Benguela Current (Atlantic Ocean).

Consistent variation in individual migration strategies of brown skuas

Seabirds show remarkable variability in migration strategies among individuals and populations. In this study, we analysed 47 migrations of 28 brown skuas Catharacta antarctica lonnbergi breeding on

Migratory tactics and wintering areas of Northern Gannets (Morus bassanus) breeding in North America

Migration has evolved to allow organisms to undertake life-history functions in the most appropriate place at the most appropriate time. Migration creates seasonal ecological linkages that have

Consistency in migration strategies and habitat preferences of brown skuas over two winters, a decade apart

At-sea movements and activity patterns of brown skuas Stercorarius antarcticus lonnbergi from South Georgia were analysed in 2 winters, a decade apart, to examine the degree of consistency in

Trans-equatorial migration, staging sites and wintering area of Sabine's Gulls Larus sabini in the Atlantic Ocean

TLDR
The use of miniature archival light loggers to track the annual migration of Sabine’s Gull Larus sabini, a small Arctic-breeding larid, is reported, describing their migratory routes and identify previously unknown staging sites in the Atlantic Ocean, as well as their main Atlantic wintering area in the southern hemisphere.

Trans-equatorial migration and habitat use by sooty shearwaters Puffinus griseus from the South Atlantic during the nonbreeding season

The distributions of many marine birds, particularly those that are highly pelagic, remain poorly known outside the breeding period. Here we use geolocator-immersion loggers to study

Year-round tracking reveals multiple migratory tactics in a sentinel North Pacific seabird, Cassin’s auklet

TLDR
The first year-round tracking data for Cassin’s auklets are presented, revealing the nonbreeding behavior of birds from colonies in British Columbia, Canada, across 3 years of variable oceanographic conditions and highlighting the importance of individual-level spatial data for studies of carryover effects and conservation planning.

Individual Winter Movement Strategies in Two Species of Murre (Uria spp.) in the Northwest Atlantic

TLDR
The capacity among seabird species for a combination of fidelity and flexibility, in which individuals may choose from a range of alternative strategies, deserves further, longer term attention.

Migratory movements and wintering areas of Leach's Storm-Petrels tracked using geolocators

Accumulating evidence suggests that Atlantic populations of Leach's Storm-Petrels (Oceanodroma leucorhoa) are experiencing significant declines. To better understand possible causes of these
...

References

SHOWING 1-10 OF 27 REFERENCES

Tracking of Arctic terns Sterna paradisaea reveals longest animal migration

TLDR
The tracking of 11 Arctic terns fitted with miniature (1.4-g) geolocators revealed that these birds do indeed travel huge distances, and identified a previously unknown oceanic stopover area in the North Atlantic used by birds from at least two breeding populations.

Trans‐equatorial migration and mixing in the wintering areas of a pelagic seabird

Despite increasing interest in long-distance migration, the wintering areas, migration corridors, and population mix in winter quarters of most pelagic marine predators are unknown. Here, we present

Moving polewards in winter: a recent change in the migratory strategy of a pelagic seabird?

TLDR
This study shows that pelagic seabirds can rapidly change migration strategies within populations, including migration towards more poleward waters in winter, apparently in response to warming sea temperatures.

Breaking the routine: individual Cory's shearwaters shift winter destinations between hemispheres and across ocean basins

TLDR
Evaluating individual flexibility in migration strategy of a highly pelagic seabird suggests Cory's shearwaters may be in a better position than many other long-distance migrants to face the consequences of a changing environment.

Movements, winter distribution and activity patterns of Falkland and brown skuas: Insights from loggers and isotopes

TLDR
Stable isotope signatures of brown skua feathers indicated that distributions of tracked birds were typical of most or all of the breeding population, and were consistent from year to year, which was characteristic of species that winter on adjacent continental shelves or off south-west Europe.

Migratory shearwaters integrate oceanic resources across the Pacific Ocean in an endless summer

TLDR
The extraordinary transequatorial postbreeding migrations of a small seabird, the sooty shearwater, obtained with miniature archival tags that log data for estimating position, dive depth, and ambient temperature reveal that shearwaters fly across the entire Pacific Ocean in a figure-eight pattern while traveling 64,037 ± 9,779 km roundtrip, the longest animal migration ever recorded electronically.

Hybridisation between South polar skua (Catharacta maccormicki) and Brown skua (C. antarctica lonnbergi) in the Antarctic Peninsula region

TLDR
Body size distribution of sympatric skuas from King George Island is clearly bimodal but overlaps considerably and hybrids cannot be identified, and numbers of mixed breeding pairs fluctuated more strongly than those of pure species pairs.

Linking winter and summer events in a migratory bird by using stable-carbon isotopes

TLDR
Habitat-specific isotopic signatures indicate that the quality of winter habitats occupied by American redstarts determines their physical condition and spring departure dates, which in turn result in variable arrival schedules and condition on temperate breeding grounds.

Migration and stopover in a small pelagic seabird, the Manx shearwater Puffinus puffinus: insights from machine learning

TLDR
A successful attempt, using miniature archival light loggers, to elucidate the migratory behaviour of the Manx shearwater Puffinus puffinus, a small Northern Hemisphere breeding procellariform that undertakes a trans-equatorial, trans-Atlantic migration.