Notes on the behavior of the Spectacled Salamander Salamandrina terdigitata
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Extensive unidirectional introgression between two salamander lineages of ancient divergence and its evolutionary implications
Hybridization and introgression, contrary to previous beliefs, are now considered to be widespread processes even among animal species. Nonetheless, the range of their possible outcomes and roles in moulding biodiversity patterns are still far from being fully appraised. Here we investigated the pattern of hybridization and introgression between Salamandrina perspicillata and S. terdigitata, tw...
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Olfactory recognition of terrestrial shelters in female Northern Spectacled Salamanders Salamandrina perspicillata (Caudata, Salamandridae). Chemical cues are used as ubiquitous markers of individual, group, kinship, and species identity. Northern Spectacled Salamander (Salamandrina perspicillata) is a semi-terrestrial and elusive species. Females can be found in water bodies just in the spawni...
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Specialization is typically inferred at population and species level but in the last decade many authors highlighted this trait at the individual level, finding that generalist populations can be composed by both generalist and specialist individual. Despite hundreds of reported cases of individual specialization there is a complete lack of information on inter-individual diet variation in spec...
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We examine phylogenetic relationships among salamanders of the family Salamandridae using approximately 2700 bases of new mtDNA sequence data (the tRNALeu, ND1, tRNAIle, tRNAGln, tRNAMet, ND2, tRNATrp, tRNAAla, tRNAAsn, tRNACys, tRNATyr, and COI genes and the origin for light-strand replication) collected from 96 individuals representing 61 of the 66 recognized salamandrid species and outgroups...
متن کاملSkeletochronological assessment of age in the Persian mountain salamander, Paradactylodon gorganensis (Clergue-Gazeau and Thorn, 1979) (Caudata: Hynobiidae) from Golestan Province, Iran
Lines of arrested growth (LAGs) were assessed in the Golestan Province population of the critically - endangered museum specimens of Persian mountain salamander, Paradactylodon gorganensis (Clergue-Gazeau and Thorn, 1979) from Northeastern Iran using skeletochronology. LAGs were clearly discernable in the tibia and femur bone cross-sections and could be interpreted for age determination. The nu...
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تاریخ انتشار 2008