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502 results for “small mammals”
Fig. 3 in Small mammal fauna from Wulanhuxiu (Nei Mongol, China) implies the Irdinmanhan-Sharamurunian (Eocene) faunal turnover
Fig. 3. Mimotonid Gomphos progressus sp. nov. from the Eocene of Wulanhuxiu, Nei Mongol, China. A. Left M3 (IVPP V20824) in occlusal (A1), anterior (A2), posterior (A3), and lingual (A4) views. B. Left m2, holotype (IVPP V20259) in occlusal (B1) and buccal (B2) views. C. Right m3 (IVPP V20259.1) in occlusal (C1) and anterior (C2) views.
Fig. 2 in Small mammal fauna from Wulanhuxiu (Nei Mongol, China) implies the Irdinmanhan-Sharamurunian (Eocene) faunal turnover
Fig. 2. Anagalid and mimotonid from the Eocene of Wulanhuxiu, Nei Mongol, China. A. Anagalidae gen. et sp. indet., left m1 (IVPP V20825) in occlusal (A1), buccal (A2), anterior (A3), and lingual (A4) views. B. Mimolagus aurorae Fostowicz-Frelik, Li, Mao, Meng, and Wang, 2015, right m1 (IVPP V20826) in occlusal (B1), buccal (B2), posterior (B3), anterior (B4), and lingual (B5) views.
Fig. 4 in Small mammal fauna from Wulanhuxiu (Nei Mongol, China) implies the Irdinmanhan-Sharamurunian (Eocene) faunal turnover
Fig. 4. Morphology of tooth of Gomphos progressus sp. nov. A. Cross-section of the left upper incisor (IVPP V20259.2). B. Cross-section of the left lower incisor (IVPP V20259.3). C. Left m2, holotype (IVPP V20259) in occlusal (C1), buccal (C2), lingual (C3), anterior (C4), and posterior (C5) views. D. Right m3 (IVPP V20259.1) in occlusal (D1), buccal (D2), lingual (D3), anterior (D4), and posterior (D5) views.
Fig. 6 in Small mammal fauna from Wulanhuxiu (Nei Mongol, China) implies the Irdinmanhan-Sharamurunian (Eocene) faunal turnover
Fig. 6. Lagomorph Erenlagus anielae Fostowicz-Frelik and Li, 2014 from the Eocene of Wulanhuxiu, Nei Mongol, China. Right m2 (IVPP V20258) in occlusal (A), apical (B), mesial (C), lingual (D), distal (E), and buccal F) views.
Fig. 5 in Morphological and molecular phylogenetic characterization of Sarcocystis kani sp. nov. and other novel, closely related Sarcocystis spp. infecting small mammals and colubrid snakes in Asia
Fig. 5. Maximum Likelihood (ML) phylogenetic reconstruction of the mitochondrial Cytochrome C oxidase Subunit I (cox1) gene tree of the Sarcocystis spp. under investigation. Where possible, sequences of the same species were used as shown in the 18S rRNA gene tree, including the outgroup. The newly sequenced Sarcocystis spp. are marked with black symbols. A total of 25 nucleotide sequences and 603 sites of the barcode area (all codon positions included) was analyzed with 1000 bootstrap replicates. Branch support from three replicate analyses is shown. The evolutionary history was inferred by using ML based on the HKY model. The tree with the highest log likelihood (– 6438.6551) is shown. A discrete Gamma distribution was used to model evolutionary rate differences among sites (four categories [+G, parameter = 0.9037]). The rate variation model allowed for some sites to be evolutionarily invariable ([+I], 17.4959% sites). All positions with less than 98% site coverage were eliminated. Branch lengths are measured in the number of substitutions per site. Note the long branch lengths of ruminant Sarcocytis spp. in comparison to other members of the Sarcocystidae as well as eimeriid coccidia from phylogenetically diverse hosts.
Fig. 2 in Morphological and molecular phylogenetic characterization of Sarcocystis kani sp. nov. and other novel, closely related Sarcocystis spp. infecting small mammals and colubrid snakes in Asia
Fig. 2. Ultrastructure of Sarcocystis sp.1 from the mangrove snake in abdominal musculature of a Sprague-Dawley rat; a) One μm-thin section through a resin-embedded, toluidine-stained sarcocyst showing densely-packed cystozoites (CZ) that were contained in septate compartments; the arrow indicates the cyst wall with small protrusions, which are clearly visible because host cell (HC) tissue is removed at this position; b) gross view of the cyst wall and cystozoites in a longitudinal section; the black arrow indicates a thin septum that separated the compartments filled with cystozoites; protrusions (PT) were broad, short, and irregularshaped, often with a reticulate base that rested on a thin layer of ground substance (GS); c) cross-section of sarcocyst, showing the primary cyst wall at higher magnification to consist of electron-dense, knob-like structures with intermittent invaginations; it appeared as if the primary wall was fenestrated (asterisk) allowing exchange of fine granular material (arrowheads) between the interior and exterior of the cyst; the exterior space between the protrusions was entirely filled with granular substance. d) metrocytes exclusively divided by endodyogeny as only cells with two developing zoites (asterisks) were observed; the white arrow points at deposits of highly electron-dense matter that could form larger clusters in the GS of the septae.
Fig. 1 in Morphological and molecular phylogenetic characterization of Sarcocystis kani sp. nov. and other novel, closely related Sarcocystis spp. infecting small mammals and colubrid snakes in Asia
Fig. 1. Light microscopic observations on the development of Sarcocystis sp.1 in striated musculature of Sprague-Dawley rats; a) typical sporocysts, here in fecal smear from Boiga dendrophila, that were used for infection of rats; sporocysts contained a granular residual body (asterisk) and four sporozoites (SP), which are all visible in the upper sporocyst; b) full-length micrograph of a typical (native) sarcocyst of Sarcocystis sp.1 in striated belly musculature, the arrows indicating folds of the cysts' body; c) high magnification of the cyst wall of a native sarcocyst, the arrows pointing at the apparently smooth wall; this is the same cyst as depicted in Fig. 2a; the inset shows freshly released, live cystozoites under phase-contrast light microscopy.
Fig. 4 in Morphological and molecular phylogenetic characterization of Sarcocystis kani sp. nov. and other novel, closely related Sarcocystis spp. infecting small mammals and colubrid snakes in Asia
Fig. 4. Predicted secondary structure of helix 38 in domain V7 of the 18S rRNA of Sarcocystis sp.1, Sarcocystis sp.2, S. attenuati, S. scandentiborneensis, and S. zuoi in comparison to S. clethrionomyelaphis (shaded inset). The 7-nt long motif 5′-AAUUCGU-3' (relative to all Apicomplexan taxa examined; nt in italic letters in shaded oval) mapped to a hairpin loop position of helix 38 and was characteristic for all species of the S. zuoi – complex; the motif was one nt (Cytosine) shorter in helix 38 of S. clethrionomyelaphis. Sequences were aligned to a secondary structure model of the Eukarya using SSU-ALIGN. The numbering of nucleotides (bars) and helices is based on the 1881 nt-long structural template. Position 1430 corresponds to position 1357 of the predicted secondary structure of Toxoplasma gondii (RH strain) as published by Gagnon et al. (1996).
Fig. 3 in Morphological and molecular phylogenetic characterization of Sarcocystis kani sp. nov. and other novel, closely related Sarcocystis spp. infecting small mammals and colubrid snakes in Asia
Fig. 3. Bayesian Inference (BI) of the 18S rRNA phylogeny of Sarcocystis spp. infecting colubrid snakes and small mammals in Asia; the S. zuoi – complex of species is highlighted by the shaded box. This complex excludes S. clethrionomyelaphis, which branches off basally. All new sequences, including a new isolate of S. zamani from Sumatra, are highlighted by black symbols. The known definitive and/or intermediate hosts associated with the selected sequences of the S. zuoi-group are indicated. Eimeriid species from phylogenetically diverse hosts served as outgroups. Bayesian posterior probabilities of three independent analyses (and alignments) are indicated behind each node, showing only one value if results of replicates were identical.
Fig. 6 in Morphological and molecular phylogenetic characterization of Sarcocystis kani sp. nov. and other novel, closely related Sarcocystis spp. infecting small mammals and colubrid snakes in Asia
Fig. 6. Mapping of (A) potential heme ligand binding sites and (B) amino acid variability among different lineages of tissue cyst-forming coccidia in the barcode area of the mitochondrial COX1 protein. A) Map of putative heme ligand binding sites (arrowheads) in a protein sequence alignment of selected taxa used in the phylogenetic tree of cox1. Identical/conservative aa positions are highlighted by light background, variable positions and gaps are shown against black background. Helix 1 (H1) is shown partial, starting at position 14 of the global barcode alignment (Pentinsaari et al., 2016); aa sequences of helices 2 (H2) and 6 (H6) are shown in full length, while putative heme binding sites of loop 3–4 (L3-4) were in its anterior part only. Domain boundaries and putative ligand binding sites were derived from COX1 of template organisms Saccharomyces cerevisiae and Bos taurus by sequence alignment against Toxoplasma gondii applying three-dimensional homology modelling of protein structure. The complete alignment of the six helices of the barcode area is shown in Supplementary Fig. S2. Note that aa numbering of the barcode area of the Apicomplexan sequence is different to the global alignment, because the former showed one additional aa and domain boundaries were slightly altered. The nucleotide sequence KC209732 of S. tenella (GenBank) is also registered in the barcode reference database BOLD (accession number JRPAA5858-15; http://boldsystems.org); the aa barcode position 14 (Glycine) shown here corresponds to position 16 of the aa translation of GenBank record KC209732. B) 'Heat map' of aa changes (darker shades of green = more changes, number of changes indicated) in the barcode area among chemically/structurally different aa groups in different lineages of tissue cyst-forming coccidia relative to the COX1 protein sequence of T. gondii. Because helix 1 was truncated, records of aa changes in this area are incomplete.
Fig. 2 in High prevalence rates of Toxoplasma gondii in cat-hunted small mammals - Evidence for parasite induced behavioural manipulation in the natural environment?
Fig. 2. Immunohistochemical stained histological section of the heart of a European water vole (Arvicola amphibius s.l.) (ID B42) showing a T. gondii tissue cyst measuring ~20 μm.
Fig. 1 in High prevalence rates of Toxoplasma gondii in cat-hunted small mammals - Evidence for parasite induced behavioural manipulation in the natural environment?
Fig. 1. Spatial distribution of cat-hunted and trap-captured small mammals in Switzerland Map of Switzerland showing the number of sampled small mammals in each location and the distribution of the different groups used in the study. Groups 1–3: "cat-hunted"; Group 4 ′′trap-captured".
FIGURE 13. Small mammals from Moncucco Torinese. 1 in Late Messinian mollusks and vertebrates from Moncucco Torinese, north-western Italy. Paleoecological and paleoclimatological implications
FIGURE 13. Small mammals from Moncucco Torinese. 1. Stephanomys sp.: left M1 (MGPT-PU 136460). 2. Occitanomys brailloni, left M1 (MGPT-PU 136607). 3. Paraethomys meini: right M1(MGPT-PU 136672). 4. Apodemus gudrunae: right M1 (MGPT-PU 136375). 5. Apodemus atavus: leftM1 (MGPT136898). 6. Micromys bendai: left M1 (MGPT-PU 136932) 7. Centralomys benericettii: left M1 (MGPT-PU 128090). 8. Neocricetodon magnus: left M2 (MGPT-PU136481). 9.Glirulus lissiensis: right m3 (MGPT-PU 136523). 10. Eliomys yevesi: left M2 (MGPT-PU 136582). 11. Muscardinus vireti: right m2 (MGPT-PU136504). 12. Glis minor: left M1 (MGPT-PU136555). 13. Pliopetaurista pliocaenica: left m1 (MGPT-PU 128218). 14. Hylopetes hungaricus: left M1 (MGPT-PU 136589). 15. Sciurinae indet.: left m1-2 (MGPT-PU 136590). 16. Sciurus warthae: right m1 (MGPT-PU 128221). 17. Talpa sp.: right P4 (MGPT-PU 131249). 18. Petenyia cf. hungarica: left m2 (MGPT-PU 131388). 19. Neomyini indet.: left emimandible (MGPT-PU 131123). 20. Parasorex aff. ibericus: right M2 (MGPT-PU 131025). 21. Leporidae indet.: right upper molariform (MGPT-PU 136477). 22. Prolagus sorbinii: right P4 (MGPT-PU 136475). 23. Castorinae indet.: left upper incisor in distal view (MGPT-PU 136482). 24. Hystrix depereti: right radius in ventral view (MGPT-PU 128349). Scale bars equal 1 mm (1-22) and 10 mm (23-24). Figures 13-14 and 16 from Colombero and Carnevale (2016).
Linked collectors and determiners for: Occurrence records of small and medium sized mammal species in Tana River Basin, Kenya.
Natural history specimen data linked to collectors and determiners held within, "Occurrence records of small and medium sized mammal species in Tana River Basin, Kenya". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/2d0a21e0-0330-4c83-8be3-7234482f138d">https://bionomia.net/dataset/2d0a21e0-0330-4c83-8be3-7234482f138d</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/2d0a21e0-0330-4c83-8be3-7234482f138d">https://gbif.org/dataset/2d0a21e0-0330-4c83-8be3-7234482f138d</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: A Collection of different species of small mammals in Arabuko-Sokoke Forest and adjacent farmlands in Gede, Kilifi County, Kenya.
Natural history specimen data linked to collectors and determiners held within, "A Collection of different species of small mammals in Arabuko-Sokoke Forest and adjacent farmlands in Gede, Kilifi County, Kenya". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/3905dc29-1f06-4ec8-a704-c8f951f78522">https://bionomia.net/dataset/3905dc29-1f06-4ec8-a704-c8f951f78522</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/3905dc29-1f06-4ec8-a704-c8f951f78522">https://gbif.org/dataset/3905dc29-1f06-4ec8-a704-c8f951f78522</a>. Formatted as a Frictionless Data package.
Linked collectors and determiners for: NEON Biorepository Herptile Voucher Collection (Small Mammal Sampling Bycatch).
Natural history specimen data linked to collectors and determiners held within, "NEON Biorepository Herptile Voucher Collection (Small Mammal Sampling Bycatch)". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/92499d06-4394-45ee-badb-5a1e3e4f9e33">https://bionomia.net/dataset/92499d06-4394-45ee-badb-5a1e3e4f9e33</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/92499d06-4394-45ee-badb-5a1e3e4f9e33">https://gbif.org/dataset/92499d06-4394-45ee-badb-5a1e3e4f9e33</a>. Formatted as a Frictionless Data package.
Using Rhodamine B to Assess the Movement of Small Mammals in an Urban Slum
<p>Dataset (capture data), and code for analysis in R for the study "Using Rhodamine B to Assess the Movement of Small Mammals in an Urban Slum Using Rhodamine B to Assess the Movement of Small Mammals in an Urban Slum".</p> <p>File "rat.csv" comprises the dataset with only Rhodamine B positive rats captured, with capture distance, sex of the individual, and weight.</p> <p>FIle "ratindiv.csv" comprises the full capture dataset (all rats both positive and negative to Rhodamine B), with the same information collected in "rat.csv".</p>
Figures 6–9 in Studies on Palaearctic Onthophagus associated with burrows of small mammals. V. A new species of the semicornis group from south-central Iran (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figures 6–9. Onthophagus (Palaeonthophagus) sacharovskii Olsoufieff, 1918 [male: TR-Kayseri, Bünyan, 1300 m]. 6) Habitus. 7) Pronotum. 8) Parameres, dorsolateral view. 9) Lamella copulatrix, ventral view. Photographs by A. Degiovanni.
Figures 1–5 in Studies on Palaearctic Onthophagus associated with burrows of small mammals. V. A new species of the semicornis group from south-central Iran (Coleoptera: Scarabaeidae: Scarabaeinae: Onthophagini)
Figures 1–5. Onthophagus (Palaeonthophagus) roessneri n. sp. 1) Holotype, habitus. 2) Holotype, pronotum. 3) Allotype, habitus. 4) Parameres, dorsolateral view. 5) Lamella copulatrix, ventral view. Photographs by A. Degiovanni.
Figure 11 in Two new genera and two new species of the mite family Neopygmephoridae (Acari: Heterostigmata) associated with small mammals from USA
Figure 11 DIC micrographs (Hitachi KP-HD20A) ofTheriadania venusta sp. nov., female: A – prodorsum, B – part of tergite D, C – right
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.