Variation in Sex Ratio of Newborn Weddell Seals during the Pupping Season

Keywords

Variation (astronomy), Sex ratio, Geography, Demography, Sociology

References

• Ecology of the Weddell Seal in McMurdo Sound, AntarcticaIan Stirling — 1969
• THE MAMMALIAN SEX‐RATIOA. S. Parkes — 1926
• Variation in the Secondary Sex-Ratio of the Grey Seal Halichoerus grypus (Fab.) during the Breeding SeasonJ. C. Coulson, Grace Hickling — 1961
• On the normal sex ratio and the size of the litter in the albino rat (Mus norvegicus albinus)Hélen Dean King, J. M. Stotsenburg — 1915
• The Weddell Seal in the Bay of Whales, AntarcticaAlton A. Lindsey — 1937
• Studies on the sex-ratio and related phenomenaA. S. Parkes — 1923
• The essence of biometry.J. A. Nelder, J. Stanley — 1963
• Studies on the Sex-Ratio and Related PhenomenaA. S. Parkes — 1924

Cited by

• Seasonal Variation in Sex Ratios Provides Developmental Advantages in White-tailed Deer, Odocoileus virginianusSarah T. Saalfeld, Stephen S. Ditchkoff, John J. Ozoga — 2007
• Sex bias or equal opportunity? Patterns of maternal investment in bisonWendy C. H. Green, Aron Rothstein — 1991
• Reproductive synchrony and the estimation of mean date of birth from daily counts of Northern fur seal pupsAndrew W. Trites — 1992
• Age-specific survival, abundance, and immigration rates of a Weddell seal (Leptonychotes weddellii) population in McMurdo Sound, AntarcticaMichael F. Cameron, Donald B. Siniff — 2004
• Breeding biology of weddell seals (Leptonychotes weddellii) at Drescher Inlet, riiser larsen ice shelf, AntarcticaP.J.H. Reijnders, J. Pl�tz, J. Zegers — 1990
• Parental investment and the secondary sex ratio in northern elephant sealsBurney J. Le Bœuf, Richard Condit, Joanne Reiter — 1989
• Natural Selection of Parental Ability to Vary the Sex Ratio of OffspringRobert Trivers, Dan E. Willard — 1973
• Female competition and reproductive success in northern elephant sealsJoanne Reiter, Kathy J. Panken, Burney J. Le Bœuf — 1981
• Birth sex ratios in sheep over nine lambing seasons: years 7–9 and the effects of ageingJohn P. Kent — 1995
• Variable Variation: Annual and Seasonal Changes in Offspring Sex Ratio in a BatRobert M. R. Barclay — 2012
• Sons and daughtersT. H. Clutton‐Brock — 1982
• Sex Ratio Variation in MammalsTim Clutton‐Brock, Glenn R. Iason — 1986
• Parental investment in male and female offspring in polygynous mammalsTim Clutton‐Brock, S. D. Albon, F. E. Guinness — 1981
• Over-ripeness ovopathy: a challenging hypothesis for sex ratio modulation.P.H. Jongbloet — 2004
• Parental hormone levels and mammalian sex ratios at birth.William H. James — 1989
• The male disadvantage and the seasonal rhythm of sex ratio at the time of conception.P.H. Jongbloet — 2003
• North Pacific Climate Mediates Offspring Sex Ratio in Northern Elephant SealsDerek Lee, William J. Sydeman — 2009
• The socio-ecology of sex ratio variation in primates: evolutionary deduction and empirical evidenceJan A. R. A. M. van Hooff — 1997
• BEYOND BEAN COUNTING AND WHALE TALESBurney J. Le Bœuf, Bernd Würsig — 1985
• History and fate of a small isolated population of Weddell seals at White Island, AntarcticaThomas S. Gelatt, Corey S. Davis, Ian Stirling — 2010

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