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64 results for “Lepus”
FIG. 18. Lepus californicus AMNH-M 177068 in The Serrialis Bone, Interparietals, "X" Elements, Entotympanics, And The Composition Of The Notoungulate Caudal Cranium
FIG. 18. Lepus californicus AMNH-M 177068, left side (rev.) of caudal cranium in ventral (A) and oblique rostrolateral (B) aspects, illustrating extent of rarefaction (fenestration) and several osteological features related to intracranial "joint" (ICJ) between rostral and caudal parts of cranium. Both to scale in B. Only features of direct relevance are labeled; for a detailed cranial osteology of lagomorphs, see Wible (2007). The leporid ICJ, conceived by Bramble (1989) as a linked series of narrow gaps (sphenooccipital synchondrosis/ foramen ovale/piriform fenestra/midcranial hiatus), divides the skull into rostral and caudal moieties. In life these gaps would be filled with dense connective tissues, including sutural soft tissues and, within sphenooccipital synchondrosis only, cartilage. Hiatal plate (black asterisk), filling dorsal part of midcranial hiatus in B, is a process of the interparietal; it projects under processus squamosus (squ pr), perhaps acting as a strengthening member in absence of a caudally extensive squamous squamosal. Among cranial elements
Fig. 2 in Allozyme Variability Of Brown Hares (Lepus Europaeus) From The Vojvodina (Serbia), Compared To Central And Southeastern European Populations
Fig. 2. Scatterplots of population-specific dimension stimulus coordinates as obtained from multidimensional scaling (three-dimensional model); A (up): plot of first and second dimensions, B (down): plot of first and third dimensions. Convex polygons encompass the 20 Austrian (black circles and light grey area) and the eight Bulgarian (white circles and dark grey area) populations, respectively. Black cross indicates the Vojvodina (VOJ) population; for acronymes of Austrian populations see
Fig. 1 in Allozyme Variability Of Brown Hares (Lepus Europaeus) From The Vojvodina (Serbia), Compared To Central And Southeastern European Populations
Fig. 1. Unrooted Wagner dendogram based on modified Roger's distances (WRIGHT 1978), representing genetic relationships among brown hares from the Vojvodina (VOJ), 20 Austrian (population acronyme – A), and eight Bulgarian (population acronyme – BL) populations. For acronymes of the Austrian populations see HARTL et al. (1993) and for Bulgarian populations see SUCHENTRUNK et
Fig. 3 in Allozyme Variability Of Brown Hares (Lepus Europaeus) From The Vojvodina (Serbia), Compared To Central And Southeastern European Populations
Fig. 3. Stepwise discriminant analysis (DA): box plots of discriminant scores for the Austrian and Bulgarian populations as well as the discriminant score of the initially unclassified Vojvodina population (cross, VOJ), as obtained from DA of stimulus coordinates from the multidimensional scaling (three-dimensional model). The stippled horizontal line indicates classification of VOJ to the Aus-
Fig. 1 in Spatial, Temporal And Individual Variability In The Autumn Diet Of European Hare (Lepus Europaeus) In Hungary
Fig. 1. Localities of the study areas. Study areas are shown as gray patches, the capital (Budapest) by striped gray area, Lake Balaton and Lake Tisza by black ones. Black lines are Hungarian rivers and
Older than 4 Fig. 1 in Comparison Of Two Age Determination Methods Of The European Hares (Lepus Europaeus Pallas, 1778) In Southwest Lithuania
Older than 4 Fig. 1. The measurements of ulna-radius of the years European hares. 3-4 year old 18 a – juvenile, b- adult; 1 - length of epiphyses ossification in ulna; 2- width of epiphysis cartilage 2-3 year old 8 in ulna; 3- high of epiphyses in in ulna-radius; 4 - width of ulna-radius at the thickest part. Juvenile (under 1 year old)
Рис. 2. НижнечеΛюстные кости из шурфа Ш-1, кв. Б-3: А — собоΛь (Martes zibellina); Б — заяц-беΛяк (Lepus timidus); В — пищухи (Ochotona sp.) Fig. 2. Mandibular bones from D-1, sq. B-3: A — sable (Martes zibellina); Б — white hare (Lepus timidus); В — pikas (Ochotona sp.) in New data on the Holocene vertebrate fauna of the Middle Lena and Aldan Rivers basins (Yakutia) based on the materials from archaeological sites Jampa, Kuznets I, II Daban-Yuryakh, and Buor-Khaya I, II, III
Рис. 2. НижнечеΛюстные кости из шурфа Ш-1, кв. Б-3: А — собоΛь (Martes zibellina); Б — заяц-беΛяк (Lepus timidus); В — пищухи (Ochotona sp.) Fig. 2. Mandibular bones from D-1, sq. B-3: A — sable (Martes zibellina); Б — white hare (Lepus timidus); В — pikas (Ochotona sp.)
Figure 5 in The taxonomic status and geographic distribution of the European hare (Lepus europaeus Pallas, 1778) in Turkey (Mammalia: Lagomorpha)
Figure 5. The group centroids obtained from discriminant functions: 1 = Thracian specimen, 2 = Southwest Anatolian population, 3 = Central and East-Central Anatolian population, 4 = Northeast Anatolian population, 5 = Southeast Anatolian population.
Fig. 3 in Gastrointestinal parasite infestation in the alpine mountain hare (Lepus timidus varronis): Are abiotic environmental factors such as elevation, temperature and precipitation affecting prevalence of parasite species?
Fig. 3. Parasite infestation in faeces and ambient temperature. Correlation between parasite infestation in Alpine mountain hare faeces (n = 52) and average, minimal, and maximal temperature found in Vorarlberg (Austria) during the years 2014 and 2015. Count visualises the number of faecal samples. See text for details on statistics.
Fig. 2 in Gastrointestinal parasite infestation in the alpine mountain hare (Lepus timidus varronis): Are abiotic environmental factors such as elevation, temperature and precipitation affecting prevalence of parasite species?
Fig. 2. Number of parasite types per faeces and severity of parasitic infestation. Correlation between number of parasite types per Alpine mountain hare faeces and severity of parasitic infestation (n = 28) found in Vorarlberg (Austria) during the years 2014 and 2015. Count visualises the number of faecal samples. The severity of infestation is indicated by scattered ((+)), low (+), intermediate (++), and high (+++) infestation. See text for details on statistics.
Fig. 2. Hare 19 in Cysticercosis by Taenia pisiformis in Brown Hare (Lepus europaeus) in Northern Italy: Epidemiologic and pathologic features
Fig. 2. Hare 19/2015. Histological image of a hepatic cyst (T. pisiformis), visible on the left. Focal infiltrate of eosinophil granulocytes with few lymphocytes, macrophages and plasma cells on the right. H&E, Bar = 200 μm.
Fig. 1. Hare 36 in Cysticercosis by Taenia pisiformis in Brown Hare (Lepus europaeus) in Northern Italy: Epidemiologic and pathologic features
Fig. 1. Hare 36/2013, liver and stomach. Cysticercosis (T. pisiformis) in liver surface and gastric peritoneum.
Fig. 1. Recent Cape hare Lepus capensis Linnaeus, 1758 RAM R2 in Head and neck posture in sauropod dinosaurs inferred from extant animals
Fig. 1. Recent Cape hare Lepus capensis Linnaeus, 1758 RAM R2 in right lateral view, illustrating maximally extended pose (A) and ONP (B): skull, cervical vertebrae 1–7 and dorsal vertebrae 1–2. Note the very weak dorsal deflection of the base of the neck in ONP, contrasting with the much stronger deflection illustrated in a live rabbit by Vidal et al. (1986: fig. 4).
Fig. 2 in Identification of the tapeworm Mosgovoyia pectinata (Anoplocephalidae) in Faroese mountain hares (Lepus timidus)
Fig. 2. Bayesian inference tree of phylogenetic relationships of Mosgovoyia spp. and other anoplocephalid (s. s.) cestodes of mammals based on sequences of the mitochondrial nad1 gene. The new sequence from Lepus timidus from Faroes in bold. Posterior probabilities of the Bayesian analysis (first value) and bootstrap support of the Maximum likelihood (ML) analysis (second value) are indicated at nodes. The inclusion of Neoctenotaenia ctenoides in the "lagomorph clade" is not supported by either of the phylogenetic methods. Hymenolepis diminuta and Arostrilepis sp. (Hymenolepididae) were used as outgroups (not shown).
Fig. 1 in Identification of the tapeworm Mosgovoyia pectinata (Anoplocephalidae) in Faroese mountain hares (Lepus timidus)
Fig. 1. Geographic location of the Faroe Islands and spatial distribution of mountain hares on the islands (green colour). Tapeworms were collected from four hares, hunted in four villages: 1) Vestmanna, 2) Eiði, 3) Kollafjørður and 4) Viðareiði. (For interpretation of the references to colour in this figure legend, the reader is referred to the Web version of this article.)
Data from: An annotated draft genome of the mountain hare (Lepus timidus)
<p>Hares (genus Lepus) provide clear examples of repeated and often massive introgressive hybridization and striking local adaptations. Genomic studies on this group have so far relied on comparisons to the European rabbit (Oryctolagus cuniculus) reference genome. Here, we report the first de novo draft reference genome for a hare species, the mountain hare (Lepus timidus), and evaluate the efficacy of whole-genome re-sequencing analyses using the new reference versus using the rabbit reference genome. The genome was assembled using the ALLPATHS-LG protocol with a combination of overlapping pair and mate-pair Illumina sequencing (77x coverage). The assembly contained 32,294 scaffolds with a total length of 2.7 Gb and a scaffold N50 of 3.4 Mb. Re-scaffolding based on the rabbit reference reduced the total number of scaffolds to 4,205 with a scaffold N50 of 194 Mb. A correspondence was found between 22 of these hare scaffolds and the rabbit chromosomes, based on gene content and direct alignment. We annotated 24,578 protein coding genes by combining ab-initio predictions, homology search, and transcriptome data, of which 683 were solely derived from hare-specific transcriptome data. The hare reference genome is therefore a new resource to discover and investigate hare-specific variation. Similar estimates of heterozygosity and inferred demographic history profiles were obtained when mapping hare whole-genome re-sequencing data to the new hare draft genome or to alternative references based on the rabbit genome. Our results validate previous reference-based strategies and suggest that the chromosome-scale hare draft genome should enable chromosome-wide analyses and genome scans on hares.</p>
Data from: Camera traps reveal seasonal variation in activity and occupancy of the Alpine mountain hare (Lepus timidus varronis)
<p>Mountain hare is a cold-adapted species threatened by climate change, but despite its emblematic nature, our understanding of the causes of population decline remains limited. Camera traps are increasingly used in ecology as a tool for monitoring animal populations at large spatial and temporal scales. In mountain environments where field work is constrained by difficult access and harsh conditions, camera traps constitute a promising tool for surveying rare and elusive species such as the mountain hare. Our study explored the use of camera traps as a tool for studying seasonal habitat occupancy and daily activity patterns of the mountain hare, in order to carry out long-term monitoring of populations. We installed 46 camera traps along elevation gradients in the Mont-Blanc massif (France) from January 2018 to June 2022. We measured habitat variables at each camera trap site in order to define vegetation composition and habitat structure. We performed multi-season and single-season occupancy models to respectively describe habitat occupancy of the mountain hare throughout the year and identify the environmental variables influencing mountain hare presence during the breeding season. Mountain hares occupy coniferous forest in winter, and then switch to mixed areas of shrubland and grassland above treeline in spring and the beginning of summer. In spring, occupancy probability of the mountain hare increases with relative cover of mixed low shrub and herbaceous layer (i.e. the 10-40 cm vegetation layer), suggesting a link to food resources and protection from predation. Our results also confirm the nocturnal and crepuscular activity of the mountain hare during the breeding season, and strictly nocturnal activity in winter. Our results demonstrate the efficiency of camera traps as tools for monitoring mountain hare habitat occupancy in mountain environments and underline the importance of diverse habitat mosaics for the preservation of the species.</p>
Molecular phenotyping uncovers differences in basic housekeeping functions among closely related species of hares (Lepus spp., Lagomorpha: Leporidae)
<p>Speciation is a fundamental evolutionary process, which results in genetic differentiation of populations and manifests as discrete morphological, physiological as well as behavioral differences. Each species has had its own evolutionary trajectory, formed by many types of selection pressures and random drift, making it extremely complicated to associate genetic differences between the species with the phenotypic differences. In the present study, we have used an in vitro model to analyze in depth the genetic and gene regulation differences between fibroblasts of two closely related mammals, arctic/subarctic mountain hare (Lepus timidus Linnaeus) and a temperate, steppe-like climate adapted brown hare (Lepus europaeus Pallas). We discovered the existence of a species-specific expression pattern of 1,623 genes, manifesting in differences in cell growth, respiration, and metabolism. Interspecific differences in the housekeeping functions of fibroblast cells suggest speciation acts on fundamental processes, even in these two interfertile species. Our results help to understand the molecular constituents of a species difference on a cellular level, which could contribute to the maintenance of the species boundary.</p>
Camera trap image of Lepus europaeus (2019-02-01T14:20:22Z)
Camera Trap Image taken in <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
Camera trap image of Lepus europaeus (2018-03-02T18:04:10Z)
Camera Trap Image taken in <a href="https://www.plantentuinmeise.be">Meise Botanic Garden</a>.
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Allen Brain Atlas
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International Brain Laboratory public data
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OpenNeuro
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