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Are naked and common mole-rats eusocial and if so, why?
Abstract Eusociality in mammals is defined in the present paper by the following criteria: reproductive altruism (which involves reproductive division of labor and cooperative alloparental broodExpand
Magnetic alignment in mammals and other animals
Magnetic alignment (MA) constitutes the simplest directional response to the geomagnetic field. In contrast to magnetic compass orientation, MA is not goal directed and represents a spontaneous,Expand
Living in a “stethoscope”: burrow-acoustics promote auditory specializations in subterranean rodents
Subterranean mammals rely to a great extent on audition for communication and to be alerted to danger. The only hitherto published report on burrow acoustics revealed that in tunnels of blindExpand
Acoustic communication and burrow acoustics are reflected in the ear morphology of the coruro (Spalacopus cyanus, Octodontidae), a social fossorial rodent
We studied the middle and inner ears of seven adult coruros (Spalacopus cyanus), subterranean and social rodents from central Chile, using free‐hand dissection and routine staining techniques. MiddleExpand
ECOLOGICAL DETERMINANTS OF VOCALISATION PARAMETERS: THE CASE OF THE CORURO SPALACOPUS CYANUS (OCTODONTIDAE), A FOSSORIAL SOCIAL RODENT
ABSTRACT Coruros Spalacopus cyanus, social fossorial rodents from Chile, use a complex acoustic repertoire with eleven different true vocalisations and one mechanical sound in various behaviouralExpand
Extremely low-frequency electromagnetic fields disrupt magnetic alignment of ruminants
Resting and grazing cattle and deer tend to align their body axes in the geomagnetic North-South direction. The mechanism(s) that underlie this behavior remain unknown. Here, we show that extremelyExpand
Subterranean Rodents: News from Underground
Across the globe, in all continents but Australia and Antarctica, at least 250 extant rodent species (38 genera, 6 families – according to the classification applied) spend most of their lives inExpand
Magnetic alignment in grazing and resting cattle and deer
We demonstrate by means of simple, noninvasive methods (analysis of satellite images, field observations, and measuring “deer beds” in snow) that domestic cattle (n = 8,510 in 308 pastures) acrossExpand
ACTIVITY PATTERNS IN A SUBTERRANEAN SOCIAL RODENT, SPALACOPUS CYANUS (OCTODONTIDAE)
Abstract Daily patterns of activity were studied under laboratory conditions in 12 coruros, Spalacopus cyanus, subterranean social rodents originally from Chile. When able to burrow, coruros spentExpand
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