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  • 1
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    Ecology. Seabirds--individuals in colonies (2013)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2013-07-06
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weimerskirch, Henri -- New York, N.Y. -- Science. 2013 Jul 5;341(6141):35-6. doi: 10.1126/science.1240316.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre d'Etudes Biologiques de Chize, CNRS, 79360 Villiers-en-Bois, France. henriw@cebc.cnrs.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/23828928" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Birds/*physiology ; *Feeding Behavior ; *Homing Behavior ; *Territoriality
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 2
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    GPS tracking of foraging albatrosses (2002)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2002-02-16
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weimerskirch, Henri -- Bonadonna, Francesco -- Bailleul, Frederic -- Mabille, Geraldine -- Dell'Omo, Giacomo -- Lipp, Hans-Peter -- New York, N.Y. -- Science. 2002 Feb 15;295(5558):1259.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre d'Etudes Biologiques de Chize, Centre National de la Recherche Scientifique, 79360 Villiers en Bois, France. henriw@cebc.cnrs.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/11847332" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; *Appetitive Behavior ; Birds/*physiology ; Female ; *Flight, Animal ; Male ; Seasons ; Telemetry ; Wind
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 3
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    Changes in wind pattern alter albatross distribution and life-history traits (2012)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 2012-01-17
    Description: Westerly winds in the Southern Ocean have increased in intensity and moved poleward. Using long-term demographic and foraging records, we show that foraging range in wandering albatrosses has shifted poleward in conjunction with these changes in wind pattern, while their rates of travel and flight speeds have increased. Consequently, the duration of foraging trips has decreased, breeding success has improved, and birds have increased in mass by more than 1 kilogram. These positive consequences of climate change may be temporary if patterns of wind in the southern westerlies follow predicted climate change scenarios. This study stresses the importance of foraging performance as the key link between environmental changes and population processes.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Weimerskirch, Henri -- Louzao, Maite -- de Grissac, Sophie -- Delord, Karine -- New York, N.Y. -- Science. 2012 Jan 13;335(6065):211-4. doi: 10.1126/science.1210270.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Centre d'Etudes Biologiques de Chize, CNRS, 79360 Villiers en Bois, France. henriw@cebc.cnrs.fr〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22246774" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Birds/anatomy & histology/*physiology ; Body Size ; Body Weight ; Climate Change ; Environment ; Feeding Behavior ; Female ; *Flight, Animal ; Geography ; Male ; Oceans and Seas ; Population Dynamics ; Reproduction ; Time Factors ; *Wind
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 4
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    Dietary evidence for spatial foraging segregation in sympatric albatrosses ( Diomedea spp.) rearing chicks at Iles Nuageuses, Kerguelen (2002)
    Springer
    Details
    Publication Date: 2002-12-01
    Print ISSN: 0025-3162
    Electronic ISSN: 1432-1793
    Topics: Biology
    Published by Springer
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  • 5
    Electronic Resource
    Electronic Resource
    Short retention times of stomach temperature loggers in free-living seabirds: is there hope in the spring? (1998)
    Springer
    Marine biology 130 (1998), S. 559-566 
    Details
    ISSN: 1432-1793
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Stomach temperature loggers have proved useful for the study of feeding activity in free-living seabirds, but their usage has been restricted because they are frequently dislodged and lost during the seabirds' regular regurgitation of indigestible prey remains. In the present study we examine the incidence of spontaneous regurgitation (pellet production) in free-living seabirds, consider the effect this has on the likely retrieval of stomach temperature loggers and present a structural modification of the logger housings which leads to a much lower incidence of regurgitation. Systems were tested on albatrosses, cormorants, gannets and penguins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s002270050277
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  • 6
    Electronic Resource
    Electronic Resource
    Alternate long and short foraging trips in pelagic seabird parents
    Amsterdam : Elsevier
    Animal Behaviour 47 (1994), S. 472-476 
    Details
    ISSN: 0003-3472
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Biology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1006/anbe.1994.1065
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  • 7
    Electronic Resource
    Electronic Resource
    Using stable-isotope analysis of feathers to distinguish moulting and breeding origins of seabirds (2000)
    Springer
    Oecologia 122 (2000), S. 155-162 
    Details
    ISSN: 1432-1939
    Keywords: Key words Albatross ; Carbon ; Diomedea melanophrys ; Kerguelen ; Nitrogen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract  To determine whether stable isotope measurements of bird feathers can be used to identify moulting (interbreeding) foraging areas of adult seabirds, we examined the stable-carbon (δ13C) and nitrogen (δ15N) isotopic composition of feathers of chicks and adults of black-browed albatrosses (Diomedea melanophrys) from Kerguelen Islands, southern Indian Ocean. Albatross chicks are fed primarily fish (75% by mass), the diet being dominated by various species of the family Nototheniidae and Channichthyidae which commonly occur in the shelf waters in the vicinity of the colony. δ13C and δ15N values in chick feathers, which are grown in summer in the breeding area, were lower than values in adult feathers, which are grown in winter (δ13C: –19.6‰ versus –17.6‰ and δ15N: 12.4‰ versus 15.7‰, respectively). No differences in δ13C and δ15N values were found in adult wing feathers moulted in 1993 and 1994 and in adult feathers formed at the beginning, middle and end of the 1994 moulting period. These data are consistent with adults moulting in the same area and feeding at the same trophic level from one year to the next and with no major changes in foraging ecology within a given moulting season; they suggest that foraging grounds were different in summer and winter and that these differed in their stable-isotope signature. Changes in both feather δ13C and δ15N values indicated feeding south of the Subtropical Front (STF) during chick rearing, which is in agreement with the known foraging ecology at this time and feeding north of the STF during moult. This, together with band recoveries from adult birds, indicates that black-browed albatrosses from Kerguelen Islands wintered in subtropical waters off southern Australia. The stable-isotope markers in feathers, therefore, have the potential for locating moulting areas of migratory seabird species moving between isotopically distinct regions and for investigating seabirds’ foraging ecology during the poorly known interbreeding period. Such information is needed for studies of year-round ecology of seabirds as well as for their conservation and the long-term monitoring of the pelagic environment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00008843
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  • 8
    Electronic Resource
    Electronic Resource
    High annual variability in reproductive success and survival of an Antarctic seabird, the snow petrel Pagodroma nivea (1993)
    Springer
    Oecologia 94 (1993), S. 278-285 
    Details
    ISSN: 1432-1939
    Keywords: Pagodroma nivea ; Demographic strategy ; Breeding success ; Survival ; Highly variable environmental conditions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Demographic parameters were estimated for snow petrels Pagodroma nivea nesting at Pointe Géologie Archipelago, Adélie Land, Antarctica between 1963 and 1990; 21 years of data on adult survival and 27 years of data on breeding success are available. The average age of first return and first breeding were 8.1 and 9.9 years respectively and there was no signifcant difference between the sexes. The overall breeding success averaged 51.3% and was very variable between years (21–80%). Breeding failure was mostly due to incubation failure and annual breeding success was negatively correlated with average snow falls in October–November and October–March. Breeding frequency was very low, averaging 52% of seasons during a reproductive lifetime. Good quality sites, with high occupancy rate and high breeding success were few in the study plots. Poor years in 1966–1967, 1976–1977 and 1983–1984, with low breeding success, very low proportions of nets with breeding attempts and high numbers of non-breeders, occurred 1 year after large-scale El Niño Southern Oscillation (ENSO) events. Snow petrels exhibited very low philopatry. Only 45 birds have been recovered in the study plots from a total of 1115 banded fledglings giving an estimated rate of return of 12.9% between fledging and 3 years old. Annual survival between 3 and 10 years was 91.4%. Annual adult survival (93.4%), though variable, was low during poor years of 1977–1978 and 1983–1984. Adult survival of males (94.7%) was not significantly different from that of females (93.9%). Over the study period, the population of Pointe Géologie was stable. Using the estimated parameters, a Leslie model gave a growth rate of 0.948%, which was probably compensated by immigration (5.7% per year). Restricted numbers of good-quality sites at the place of birth could have led young birds to prospect other colonies and could have selected low philopatry. High adult survival, strong site tenacity and capacity to spread breeding over a long lifetime are probably part of the adaptive strategy of this small fulmarine petrel facing highly variable environmental conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00341328
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  • 9
    Electronic Resource
    Electronic Resource
    Population changes, movements of southern elephant seals on Crozet and Kerguelen Archipelagos in the last decades (1992)
    Springer
    Polar biology 12 (1992), S. 349-356 
    Details
    ISSN: 1432-2056
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Summary The elephant seal populations breeding on the Crozet and Kerguelen Archipelago were surveyed during the eighties. Elephant seals were observed moving between Kerguelen, Amsterdam, Heard Islands and Vestfold Hills and between Crozet and Prince-Edward Archipelagos. No exchanges were observed between Crozet and Kerguelen Archipelagos suggesting that the two populations are more isolated than previously stated. On the Crozet Archipelago, since 1966, the Possession Island population showed at 70% reduction in numbers of cows ashore and the population is still decreasing. On Kerguelen Island there has been a decline of 44% from 1956 to 1989 but the population appears to have stabilized since 1984. It is suggested that elephant seal populations in the Southern Indian Ocean may have been affected by a change at the trophic level over the last four decades. But the highest rate of decrease observed on the Crozet Archipelago and the fact that the population is still decreasing may be explained by additional factors, in particular by killer whale predation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00243106
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  • 10
    Electronic Resource
    Electronic Resource
    Geographical variation in morphometry of black-browed and grey-headed albatrosses from four sites (1999)
    Springer
    Polar biology 22 (1999), S. 189-194 
    Details
    ISSN: 1432-2056
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Differences in morphometry between five populations of black-browed albatrosses (Diomedea melanophrys) and four populations of grey-headed albatrosses (D. chrysostoma) are examined. Two clear groups of black-browed albatrosses are evident, with birds from the subspecies Diomedea melanophrys impavida showing significant differences in several variables from those from the subspecies Diomedea melanophrys melanophrys. For groups from the latter subspecies, birds from South Georgia had larger measures than those from Kerguelen. A similar pattern to that of Diomedea melanophrys melanophrys was found between the groups of grey-headed albatrosses. Analysis of foraging distances relative to adult body-size index and the duration of chick-rearing periods suggests that differences in chick-provisioning rates between populations of conspecifics could account for at least some of the observed differences in adult morphometry.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003000050409
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