The DOI matches its Crossref record; 41 of the 42 references it cites were found in a registry or an index.
Why Lions Form Groups: Food is Not Enough
Abstract
Extensive observations of foraging female lions reveal that two group sizes maximize foraging success during the season of prey scarcity: one female and five or six females. Foraging success does not vary significantly with group size when prey is abundant. Female lions live in fission-fusion social units (prides) and forage only with members of their own pride. If lion grouping patterns were primarily related to group-size-specific feeding efficiency, females in prides containing fewer than five females should forage alone when prey is scarce, whereas females in larger prides should forage alone or in groups of five or six. However, extensive data on the grouping patterns of radio-collared females show that females in small prides most commonly forage in as large a group as possible, even at the expense of foraging efficiency. Females in large prides most often forage in intermediate group sizes of four or five. However, mothers keep their cubs in a creche and form highly stable maternity groups that are effective in defending the cubs against infanticidal males. Most large prides contain a creche involving four or five mothers, and in the absence of a creche, large prides show no preference for any group size. Females also compete aggressively against neighboring prides, and larger groups successfully repel smaller ones in territorial disputes. Small prides appear to be excessively gregarious in order to compete against larger neighboring prides.
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In the citing paper
“Lions usually hunt in groups [35] and are considered ambush predators, choosing prey ‘catchability’ over prey abundance and rely heavily on concealment during hunting [19].”
From Effects of Vegetation Structure on the Location of Lion Kill Sites in African Thicket (2016) · cites this paper as [35]
In the citing paper
“Female lions in savanna ecosystems also rely on other pride members to safeguard young cubs during group hunts [35].”
From Effects of Vegetation Structure on the Location of Lion Kill Sites in African Thicket (2016) · cites this paper as [35]
Citations
Cites
Behavioural Ecology: An Evolutionary Approach
Adams, J. M., Krebs, J. R., & Davies, N. B. (1992) · Journal of Animal Ecology · doi:10.2307/5530 · Cited by 3,919
The Evolution of Social Behavior
Alexander, R. D. (1974) · Annual Review of Ecology and Systematics · doi:10.1146/annurev.es.05.110174.001545 · Cited by 3,862
Hamilton, W. D. (1971) · Journal of Theoretical Biology · doi:10.1016/0022-5193(71)90189-5 · Cited by 3,506
Fretwell, S. D., & Lucas, H. L. (1969) · Acta Biotheoretica · doi:10.1007/bf01601953 · Cited by 3,138
The Social Organisation of Antelope in Relation To Their Ecology
Jarman, P. J. (1974) · Behaviour · doi:10.1163/156853974x00345 · Cited by 2,194
Serengeti: Dynamics of an Ecosystem.
Yalden, D. W., SINCLAIR, A. R. E., & Norton‐Griffiths, M. (1980) · Journal of Ecology · doi:10.2307/2259478 · Cited by 1,215
The Serengeti Lion The Serengeti Lion. A Study of Predator-Prey Relations George B. Schaller
Gelder, R. G. V. (1973) · BioScience · doi:10.2307/1296618 · Cited by 1,010
Dynamic Modeling in Behavioral Ecology.
Caraco, T. B., Newman, J. A., Mangel, M., & Clark, C. (1990) · Evolution · doi:10.2307/2409517 · Cited by 761
Seasonality, Fasting Endurance, and Body Size in Mammals
Lindstedt, S. L., & Boyce, M. S. (1985) · The American Naturalist · doi:10.1086/284385 · Cited by 595
The Evolution of Cooperative Hunting
Packer, C., & Ruttan, L. M. (1988) · The American Naturalist · doi:10.1086/284844 · Cited by 525
Self-citation
Cited by
Sorted by citations
The evolution of female social relationships in nonhuman primates
Sterck, E. H. M., Watts, D. P., & van Schaik, C. P. (1997) · Behavioral Ecology and Sociobiology · doi:10.1007/s002650050390 · Cited by 1,292
Breeding Together: Kin Selection and Mutualism in Cooperative Vertebrates
Clutton-Brock, T. H. (2002) · Science · doi:10.1126/science.296.5565.69 · Cited by 945
The adaptive value of sociality in mammalian groups
Silk, J. B. (2007) · Philosophical Transactions of the Royal Society B Biological Sciences · doi:10.1098/rstb.2006.1994 · Cited by 842
Smuts, B. B., & Smuts, R. W. (1993) · Advances in the study of behavior · doi:10.1016/s0065-3454(08)60404-0 · Cited by 764
Communal hunting and pack size in African wild dogs, Lycaon pictus
Creel, S., & Creel, N. M. (1995) · Animal Behaviour · doi:10.1016/0003-3472(95)80048-4 · Cited by 706
Metadata
- Authors
- Packer, C., Scheel, D., & Pusey, A. E.
- Affiliations
- University of Minnesota (US)
- Venue
- The American Naturalist
- Publisher
- University of Chicago Press
- Published
- 1990-07
- Volume
- 136
- Issue
- 1
- Pages
- 1-19
- ISSN
- 0003-0147 (ISSN-L)
- 1537-5323
- OpenAlex
- W2061219327
- Cited by
- 651
- References
- 42
- Citations by year
- 2026: 12 · 2025: 20 · 2024: 24 · 2023: 23 · 2022: 20 · 2021: 22 · 2020: 31 · 2019: 16 · 2018: 24 · 2017: 18 · 2016: 24 · 2015: 19 · 2014: 21 · 2013: 18 · 2012: 21
- FWCI
- 27.63
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- The American Naturalist (publishedVersion)
- Topics
- Physical Sciences › Environmental Science › Ecology › Wildlife Ecology and Conservation
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Primate Behavior and Ecology
- Life Sciences › Agricultural and Biological Sciences › Ecology, Evolution, Behavior and Systematics › Animal Behavior and Reproduction
- Keywords
- group size, foraging success, fission-fusion societies, pride, prey scarcity, infanticide, territorial disputes
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