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8 results for “scent marking”
Data associated with the manuscript: Andean bear tree selectivity for scent-marking in Ecuadorian cloud forests
<p>This is the original version of data used for the manuscript, <em>Andean bear tree selectivity for scent-marking in Ecuadorian cloud forests</em>. The data are in four files following the numerical order and titles of the Results section in the manuscript, i.e. <em>1_PCA.csv</em>, <em>2_Modeling tree selection at the individual-tee level.csv</em>, <em>3_Modeling tree selection on a local spatial scale.csv</em>, <em>4_Modeling formation of marked-tree cluster sites.csv. We used these datasets for our analysis in the program R, the details are provided in the Methods section. </em><span>Our field work was performed in compliance with the Framework Agreement for access to genetic resources called "Biodiversity Study of Ecuador '' made between the Ecuadorian Ministry of Environment and the UTPL. The code for the Agreement is MAE-DNB-CM-2015-0016-M-0002. The research was funded by Bears in Mind, International Association for Bear Research and Management, the Faculty of Environmental Sciences of Czech University of Life Sciences in Prague, National Geographic Society, Nature and Culture International, GIZ Ecuador, and Trailcampro. </span></p>
Signal detection theory applied to giant pandas: Do pandas go out of their way to make sure their scent marks are found?
<p><span>Inter-animal communication allows signals released by an animal to be perceived by others. Scent-marking is the primary mode of such communication in giant pandas </span><span>(<em>Ailuropoda melanoleuca</em>)</span><span>. Signal detection theory propounds that animals choose the substrate and location of their scent marks so that the signals released are transmitted more widely and last longer. We believe that pandas trade off scent-marking because they are an energetically marginal species and it is costly to generate and mark chemical signals. Existing studies only indicate where pandas mark more frequently, but their selection preferences remain unknown. This study investigates whether the marking behavior of pandas is consistent with signal detection theory. Feces count, reflecting habitat use intensity, was combined with mark count to determine the selection preference for marking. The results showed that pandas preferred to mark ridges with animal trails and that most marked tree species were locally dominant. In addition, marked plots and species were selected for lower energy consumption and a higher chance of being detected. Over 90% of the marks used were the longest-surviving anogenital gland secretion marks, and over 80% of the marks were oriented toward animal trails. Our research demonstrates that pandas go out of their way to make sure their marks are found. This study not only sheds light on the mechanisms of scent-marking by pandas but also guides us toward more precise conservation of the panda habitat.</span></p>
Signal detection theory applied to giant pandas: Do pandas go out of their way to make sure their scent marks are found?
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Data from: Group size and social status affect scent marking in dispersing female meerkats
Many animal species use scent marks such as faeces, urine, and glandular secretions to find mates, advertise their reproductive status, and defend an exclusive territory. Scent marking may be particularly important during dispersal, when individuals emigrate from their natal territory searching for mates and a new territory to settle and reproduce. In this study, we investigated the scent marking behaviour of 30 dispersing female meerkats (Suricata suricatta) during the three consecutive stages of dispersal – emigration, transience, and settlement. We expected marking patterns to differ between dispersal stages and depending on social circumstances such as presence of unrelated mates and social status of the individuals within each dispersing coalition; but also to be influenced by water and food availability. We showed that defecation probability increased with group size during the settlement stage, when newly formed groups are expected to signal their presence to other resident groups. Urination probability was higher in subordinate than in dominant individuals during each of the three dispersal stages, and it overall decreased as the dispersal process progressed. Urine may thus be linked to advertisement of the social status within a coalition. Anal marking probability did not change across dispersal stages, but increased with the presence of unrelated males and was higher in dominants than in subordinates. We did not detect any effect of rain or foraging success on defecation and urination probability. Our results suggest that faeces, urine, and anal markings serve different communication purposes (e.g. within and between group communication) during the dispersal process.
Data from: Group size and social status affect scent marking in dispersing female meerkats
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Male meadow vole scent marking 1 rival odor context
<p>Meadow voles (<i>Microtus pennsylvanicus</i>) rely on olfactory communication, such as scent marking, to find and secure mating opportunities during the breeding season. Scent marks, and odors in general, provide information about the donors and persists in the environment for extended periods, allowing a wide audience. Whether a vole responds to another scent mark(s), or odor(s), depends on the social context and the information the odor provides about the donor(s). Therefore, we examined if male scent marking towards a social odor or female meadow voles is influenced by information present or previously encountered based on contextual differences in the social odor. We presented males with two odor associations of a male with a female with contextual differences in the age of the rival. We tested male scent marking with both the odors present, current information, and with the females from the social information, prior information. It was found that rival male age did not affect the scent marking behavior of males towards a social odor or female voles. Rival male age also did not affect preference as males did not show a preference for either female. The lack of an effect may lie in the properties of scent marks and the natural history of meadow voles during the breeding season. The odor of an individual rival may not represent a strong enough competitional threat to influence a signaler's decisions, but the association could still provide the signaler with valuable information about which females are consider high-quality.</p>
Male meadow vole scent marking 1 rival odor context
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Data from: The role of scent marking in mate selection by female pumas (Puma concolor)
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OpenNeuro
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