Investment in sons and daughters by southern elephant seals, Mirounga leonina, at Marion Island

Marine Mammal Science

Volumn 17, Issue 4, 2001, Pages 873-887

  Wilkinson, Ian S ^a,b   Van Aarde, Rudi J ^a  

^a UNIVERSITY OF PRETORIA   (South Africa)

^b DEPARTMENT OF CONSERVATION   (New Zealand)

Author keywords

Birth mass; Growth rate; Marion Island; Maternal investment; Mirounga leonina; Reproduction; Southern elephant seals; Weaning mass

Indexed keywords

GROWTH RATE; PARENTAL INVESTMENT; PINNIPED; POLYGYNY; REPRODUCTION; REPRODUCTIVE EFFORT; SEX ALLOCATION; WEANING;

INDIAN OCEAN; MARION ISLAND;

ELEPHANT; MAMMALIA; MIROUNGA LEONINA; PHOCIDAE; PINNIPEDIA; VERTEBRATA;

EID: 0035185727     PISSN: 08240469     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1748-7692.2001.tb01303.x     Document Type: Article

References (48)

1. Grey seal, Halichoerus grypus, energetics: Females invest more in male offspring
2. Variation in weaning mass of pups in relation to maternal mass, postweaning fast duration, and weaned pup behaviour in southern elephant seals (Mirounga leonina) at South Georgia
3. Offspring sex ratio in relation to female size in southern elephant seals, Mirounga leonina
4. Factors affecting maternal expenditure in southern elephant seals during lactation
5. Milk consumption and growth efficiency in Antarctic fur seal (Arctocephalus gazella) pups
6. Lactation strategies in pinnipeds: Problems for a marine mammalian group
7. Mass changes of grey seal Halichoerus grypus pups on Sable Island: Differential investment reconsidered
8. The effect of maternal age and other factors on birth mass in the harbour seal
9. Pre-natal investment in reproduction by female Antarctic fur seals
10. Population demography of Antarctic fur seals: The costs of reproduction and implications for life-histories
11. Significant differences in weaning mass of southern elephant seals from five sub-antarctic islands in relation to population declines
12. Equal investment in male and female offspring in southern elephant seals
13. Sex- and age-related variation in reproductive effort of northern elephant seals
14. The relation between the size of southern elephant seal mothers, the growth of their pups, and the use of maternal energy, fat and protein during lactation
15. Demography and breeding biology of a small, localized population of southern elephant seals (Mirounga leonina)
16. Differential expenditure of maternal resources in Antarctic fur seals, Arctocephalus gazella, at Heard Island, southern Indian Ocean
17. Growth from birth to weaning in the southern elephant seal (Mirounga leonina)
18. The importance of being fat: Maternal expenditure in the southern elephant seal Mirounga leonina
19. Natality and weaning success in relation to age of first reproduction in northern elephant seals
20. Growth of grey seal (Halichoerus grypus) neonates: Differential maternal investment in the sexes
21. Maternal energy investment in elephant seal pups: Evidence for sexual equality?
22. Elephant seals: An introduction to the genus
23. Juvenile survivorship of northern elephant seals
24. Pup growth and maternal care in New Zealand fur seals, Arctocephalus forsteri, at Maatsuyker Island, Tasmania
25. Maternal investment in Antarctic fur seals: Evidence for equality in the sexes
26. Factors affecting the growth rate and mass at weaning of Antarctic fur seals at bird island, South Georgia
27. A new theory of sexual investment
28. Parental investment in southern elephant seals, Mirounga leonina
29. Evidence for precocious development in female pups of the southern elephant seal Mirounga leonina at Macquarie Island
30. Weaning mass and the future survival of juvenile southern elephant seals, Mirounga leonina, at Macquarie Island
31. Variation in milk production and lactation performance in grey seals and consequences for pup growth and weaning characteristics
32. Observations of nursing and sucking behavior as an indicator of milk transfer and parental investment
33. Milk composition, milk yield and energy output at peak lactation: A comparative review
34. Consequences of maternal size for reproductive expenditure and pupping success of grey seals at North Rona, Scotland
35. Life history consequences of variation in age at primiparity in northern elephant seals
36. Northern elephant seal development: The transition from weaning to nutritional independence
37. Evidence of equal maternal investment in the sexes in the polygynous and sexually dimorphic grey seal (Halichoerus grypus)
38. Life history strategies of female northern elephant seals
39. Long-term reproductive patterns and sighting bias in Weddell seals (Leptonychotes weddelli)
40. Maternal investment and sex allocation in the Galapagos fur seal, Arctocephalus galapagoensis
41. Parental investment in pinnipeds
42. Parental investment and sexual selection
43. Natural selection of parental ability to vary sex ratios of offspring
44. Duration of post-weaning fast and local dispersion in the southern elephant seal, Mirounga leonina, at Marion Island
45. Marion Island elephant seals: The paucity of males hypothesis tested