Cooperative breeding and monogamy in prairie voles: influence of the sire and geographical variation
Article Abstract:
Rearing behavior and monogamy in prairie voles, Microtus ochrogaster, were investigated in two strains, one from a resource-rich habitat (Illinois) and another from an arid environment (Kansas), and in crosses between these two strains to determine the influence of the sire and the environment on cooperative breeding. Results reveal that both strains exhibit strong preference for monogamy. Voles from Kansas exhibit sexual dimorphism in body size and voles from Illinois exhibit more parenting behavior. The influence of the sire on alloparenting is discussed.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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Spawning success in the damselfish Amblyglyphidodon leucogaster: the influence of eggs in the nest
Article Abstract:
Research was conducted to study the criteria utilized by the female damselfish, Amblyglyphidodon leucogaster, in choosing mates. Behavioral activities were recorded through a series of underwater surveys while the region of egg loss was confined to the perimeter of the nest clutch. Results suggested that females may mate non-independently by mimicking the choice of other females. They also showed that both sexes spawned repeatedly and with multiple different mates over a breeding season.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1998
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