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Androgens modulate song effort and aggression in Neotropical singing mice
Androgens are an important class of steroid hormones involved in modulating the expression and evolution of male secondary sex characters. Vocalizations used in the context of aggression and mateExpand
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Vocal Ontogeny in Neotropical Singing Mice (Scotinomys)
Isolation calls produced by dependent young are a fundamental form of communication. For species in which vocal signals remain important to adult communication, the function and social context ofExpand
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OBSERVATIONS ON THE ECOLOGY OF THE ENDEMIC MEARNS'S SQUIRREL (TAMIASCIURUS MEARNSI)
Abstract Mearns's squirrel (Tamiasciurus mearnsi) is an endemic species of the montane forest of the Sierra de San Pedro Mártir in Baja California. Despite having been described for the first time inExpand
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Androgen-dependent male vocal performance influences female preference in Neotropical singing mice
Vocalizations used in aggressive and mating contexts often convey reliable information about signaller condition when physical or physiological limitations constrain signal expression. InExpand
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Interspecific Dominance Via Vocal Interactions Mediates Altitudinal Zonation in Neotropical Singing Mice
Interspecific aggression between ecologically similar species may influence geographic limits by mediating competitive exclusion at the range edge. Advertisement signals that mediate competitiveExpand
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Correlates of Vulnerability in Chiricahua Fox Squirrels
Chiricahua fox squirrels (Sciurus nayaritensis chiricahuae) are endemic to the Chiricahua Mountains of southeastern Arizona. A paucity of natural history information and uncertain conservation statusExpand
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SEX DIFFERENCES IN SPACE USE OF CHIRICAHUA FOX SQUIRRELS
Abstract Sex differences in reproductive investment influence space use patterns of many animals. In polygynous mammals, male space use reflects distribution of females and female space use reflectsExpand
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Impacts of fire suppression on space use by Mexican fox squirrels
Abstract Human suppression of fire has resulted in altered species composition and dense forest stands across the western United States. Accumulation of understory shrubs makes forests vulnerable toExpand
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ANNUAL CYCLES IN BODY MASS AND REPRODUCTION OF CHIRICAHUA FOX SQUIRRELS (SCIURUS NAYARITENSIS CHIRICAHUAE)
Abstract The Chiricahua fox squirrel (Sciurus nayaritensis chiricahuae) is an uncommon subspecies endemic to the Chiricahua Mountains of southeastern Arizona. We monitored annual cycles of body massExpand
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SEX DIFFERENCES IN SPACE USE OF CHIRICAHUA
Sex differences in reproductive investment influence space use patterns of many animals. In polygynous mammals, male space use reflects distribution of females and female space use reflects relativeExpand