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Zoology and wildlife conservation

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Abstracts » Zoology and wildlife conservation

Multi-male mating and female choice increase offspring growth in the spider Neriene litigiosa (Linyphiidae)

Article Abstract:

Controlled-breeding studies were undertaken to determine the benefits of multiple mating on reproductive success in female sierra dome spiders, Neriene litigiosa. Female spider of this species generally mate with more than one partner. The first partner is chosen based on fighting behavior and abilities and secondary partners are chosen based on size and courtship behavior. Results indicate that large mates confer viability benefits to the progeny and multiple mating add to the benefits derived from selective mating.

Author: Watson, Paul J.
Publisher: Elsevier B.V.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998

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Is there division of labour in the social spider Achaearanea wau (Theridiidae)?

Article Abstract:

A study has been conducted to determine whether division of labour exists in relation to non-reproductive tasks in the colonies of the social spider, Achaearanea wau. The results revealed absence of division of labor among the adult females and juveniles throughout the life cycle. However, the juveniles were observed to take on more tasks as they matured. It is suggested that inbreeding and selection within the colonies result to lack of division of labor in both reproductive and non-reproductive tasks.

Author: Lubin, Yael
Publisher: Elsevier B.V.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1995
Social behavior in animals, Animal social behavior

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Inter-group competition and stable group sizes

Article Abstract:

An ordinary model of the foraging animals, in which cooperation, intra-group and intergroup rivalry reveals that when resources are scanty, inter-group rivalry tends to maintain animals within groups, even when these groups are overpopulated. The model's findings are in keeping with empirical observations suggesting that animals seem to forage in groups that are bigger than the optimum size.

Author: Zemel, Amos, Lubin, Yael
Publisher: Elsevier B.V.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1995
Analysis, Animal feeding and feeds, Competition (Biology), Herding (Animal behavior), Herding behavior in animals

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Subjects list: Sexual behavior, Research, Sexual behavior in animals, Animal sexual behavior, Spiders
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