Phylogenetic influence on mating call preferences in female tungara frogs, Physalaemus pustulosus
Article Abstract:
Estimates of call variable at ancestral nodes in the Physalaemus pustulosus species group are quite sensitive to the different models of call evolution. The seven models used in research designed to test the robustness of earlier conclusions about call-preference evolution in relation to assumptions used to estimate the ancestral calls generated calls that differed at the same nodes more than half of the time. It was established that there are several heterospecific (including ancestral) signals that produce substantial responses. In many cases, these responses are statistically significant.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1999
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Hop, step and gape: do the social displays of the Pelecaniformes reflect phylogeny?
Article Abstract:
A study shows that social displays of Pelecaniformes do reflect phylogeny. The behavioral trees constructed bore greater similarity to previously published morphological and genetic trees. The mapping of behavioral characters onto a best-estimate evolutionary tree showed that they were as homoplasious as other types of characters, and except for three behavioral characters all were homologous. The social displays of the pied cormorant were predictable using the best-estimate tree.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1996
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Patch choice with competitive asymmetries and perceptual limits: the importance of history
Article Abstract:
The model of patch choice with feeding animals selecting between two spots with different continuous input rates is historical in the sense that individuals join the system sequentially forming a complete system. Monte Carlo simulations of the model reveal that the historical progress of a distribution of animals influences the final form. An equilibrium distribution is not achieved until long after all individuals are present.
Publication Name: Animal Behaviour
Subject: Zoology and wildlife conservation
ISSN: 0003-3472
Year: 1995
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