991 resultados para head-group
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[s.c.]
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Universität Magdeburg, Univ., Dissertation, 2016
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n.s. no.91(1999)
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v.4:no.4(1925)
Evolution of neotropical cricetine rodents (Muridae) with special reference to the phyllotine group.
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v.46(1962)
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n.s. no.45(1988)
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n.s. no.63(1991)
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n.s. no.33(1987)
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A key to species groups of the genus Belostoma Latreille, 1807, using new taxonomic characters are presented as well as the revision of the four species included in the denticolle group: B. denticolle Montandon, 1903, and three new species: B. orbiculatum from eastern Argentina and southern Brazil, B. retusum from eastern Argentina and B. amazonum from northern Brazil which are described and illustrated.
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n.s. no.29(1986)
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A change in bird density within a captive flock of Sicalis flaveola pelzeni (Sclater, 1872) affected the decision to join a group. Ruling out inter-individual differences and maintaining constant the size of a food patch, birds were found to fly more often to the food source and spend a longer time in its environs when kept in greater groups.
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n.s. no.17(1983)
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v.58:no.2(1970)
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n.s. no.10(1982)