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637 results for “monkey”
FIG. 5 in The Late Miocene colobine monkeys from Aragai (Lukeino Formation, Tugen Hills, Kenya)
FIG. 5. — CT scans of Sawecolobus lukeinoensis n. gen., n. sp., crania: A, B, frontal and mid-sagittal scans of BAR 758'00; C, D, frontal scans of BAR 757'00, respectively; C2, D2, are expanded images of C1 and D1, respectively. The bony region has rather low CT values and is coloured in dark grey on the CT scans. The frontal and sphenoid bones are fully occupied by cancellous bone in both specimens (*). The maxillary sinus (MS) is separated by the thin bony wall (dotted line, BW) that, in part, includes cancellous bone (dotted circle) on the left side in BAR 757'00, but its trace is detected on the right. The left M3/ alveolus is excavated by the maxillary sinus in BAR 757'00 (**). Scale bars: 1 cm.
FIG. 4. — Sawecolobus lukeinoensis n. gen., n in The Late Miocene colobine monkeys from Aragai (Lukeino Formation, Tugen Hills, Kenya)
FIG. 4. — Sawecolobus lukeinoensis n. gen., n. sp.: A, holotype BAR 758'00, skull: A1, facial view; A2, posterior view; A3, superior view; A4, left lateral view; A5, palatal view; A6, right lateral view; B, BAR 759'00, left hemi-maxilla: B1, buccal view; B2, occlusal view; B3, lingual view; C, BAR 760'00, left hemi-mandible: C1, buccal view; C2, occlusal view; C3, lingual view. Scale bars: 1 cm.
FIG. 1 in The Late Miocene colobine monkeys from Aragai (Lukeino Formation, Tugen Hills, Kenya)
FIG. 1. — View of the site of Aragai, in the foreground, with the characteristic orange-red sediment of the Lukeino Formation, in the background are the Tugen Hills.
FIG. 7. — Sawecolobus lukeinoensis n. gen., n in The Late Miocene colobine monkeys from Aragai (Lukeino Formation, Tugen Hills, Kenya)
FIG. 7. — Sawecolobus lukeinoensis n. gen., n. sp.: A, skull fragment BAR 761'00: A1, nucho-lateral view; A2, internal view; B, right maxilla fragment BAR 762B'00 (maxilla fragment with M1/ to M3/) + OCO 1049'11 (P3/) associated with BAR 762A'00: B1, lingual view; B2, occlusal view; B3, buccal view; C, left maxilla fragment BAR 762A'00 (maxilla fragment with P4/ to M3/) associated with BAR 762B'00: C1, lingual view; C2, occlusal view; C3, buccal view; D, left maxilla fragment BAR 786'00 (partial maxilla with M3/) + BAR 1368'00 (left M2/): D1, buccal view; D2, occlusal view; D3, lingual view. Scale bars: 1 cm.
FIG. 8. — Sawecolobus lukeinoensis n. gen., n in The Late Miocene colobine monkeys from Aragai (Lukeino Formation, Tugen Hills, Kenya)
FIG. 8. — Sawecolobus lukeinoensis n. gen., n. sp.: A, right mandibular fragment OCO 100'11: A1, buccal view; A2, occlusal view; A3, lingual view; B, mandibular symphysis BAR 1586'00: B1, labial view; B2, occlusal view; B3, lingual view; C, mandible OCO 608'10: C1, occlusal view; C2, right lateral view; C3, left lateral view. Scale bars: 1 cm.
FIG. 9. — Sawecolobus lukeinoensis n. gen., n in The Late Miocene colobine monkeys from Aragai (Lukeino Formation, Tugen Hills, Kenya)
FIG. 9. — Sawecolobus lukeinoensis n. gen., n. sp.: A, B, incisors: A, right I2/ BAR 910'04: A1, lingual view; A2, labial view; A3, mesial view; A4, distal view; A5, occlusal view; B, right I1/ BAR 1214'00: B1, occlusal view; B2, lingual view; B3, labial view; B4, mesial view; B5, distal view; C-L, canines: C, left upper canine BAR 784'00: C1, mesial view; C2, distal view; C3, lingual view; C4, buccal view; D, left upper canine BAR 1595'01: D1, distal view; D2, mesial view; D3, lingual view; D4, buccal view; E, right upper canine OCO 105'10: E1, distal view; E2, mesial view; E3, buccal view; E4, lingual view; F, left lower canine BAR 785'00: F1, lingual view; F2, labial view; F3, mesial view; F4, distal view; G, right lower canine BAR 1369'00: G1, lingual view; G2, labial view; G3, mesial view; G4, distal view; H, right lower canine BAR 1381'03: H1, lingual view; H2, labial view; H3, mesial view; H4, distal view; I, left lower canine BAR 1382'03: I1, lingual view; I2, labial view; I3, distal view; I4, mesial view; J, left lower canine BAR 351'04: J1, lingual view; J2, labial view; J3, distal view; J4, mesial view; K, left lower canine OCO 104'10: K1, distal view; K2, lingual view; K3, mesial view; L, left lower canine BAR 1584'00: L1, lingual view; L2, labial view; L3, distal view; L4, mesial view. Scale bars: 1 cm.
Savanna monkey (Chlorocebus spp.) population genetics/genomics pipeline
<p>In the last 300 thousand years, the genus <em>Chlorocebus</em> expanded from equatorial Africa into the southernmost latitudes of the continent, where colder climate was a likely driver of natural selection. We investigated population-level genetic variation in the mitochondrial uncoupling protein 1 (<em>UCP1</em>) gene region—implicated in non-shivering thermogenesis (NST)— in 73 wild savanna monkeys from three taxa representing this southern expansion (<em>Chlorocebus</em> <em>pygerythrus</em> <em>hilgerti</em>, <em>Chlorocebus</em> <em>cynosuros</em> and <em>Chlorocebus</em> <em>pygerythrus</em> <em>pygerythrus</em>) ranging from Kenya to South Africa. We found 17 SNPs with extended haplotype homozygosity consistent with positive selective sweeps, 10 of which show no significant linkage disequilibrium with each other. Phylogenetic generalized least-squares modelling with ecological covariates suggests that most derived allele frequencies are significantly associated with solar irradiance and winter precipitation, rather than overall low temperatures. This selection and association with irradiance are demonstrated by a relatively isolated population in the southern coastal belt of South Africa. We suggest that sunbathing behaviours common to savanna monkeys, in combination with the strength of solar irradiance, may mediate adaptations to thermal stress via NST among savanna monkeys. The variants we discovered all lie in non-coding regions, some with previously documented regulatory functions, calling for further validation and research.</p>
Supplementary material 2 from: Steinberg E, Nieves M, Mudry M (2014) Multiple sex chromosome systems in howler monkeys (Platyrrhini, Alouatta). Comparative Cytogenetics 8(1): 43-69. https://doi.org/10.3897/compcytogen.v8i1.6716
Supplementary Figure S. (doi: 10.3897/CompCytogen.v8i1.6716.app2) File format: Microsoft Word file (doc).:
Fig. 1 in Pathological findings associated with Dipetalonema spp. (Spirurida, Onchocercidae) infection in two species of Neotropical monkeys from Brazil
Fig. 1 Gross lesions in Alouatta guariba clamitans and Sapajus nigritus monkeys infected by Dipetalonema spp. (a; case 2) Thoracic cavity with multifocal areas of fibrous adhesions in the visceral and parietal pleura associated with filarial nematodes (arrowhead) in an individual with polyserositis. (b; case 12) Thoracic cavity with proliferation of fibrous connective tissue in the visceral pleura causing adhesions in the lung. (c; case 7) Liver, marked proliferation of fibrous connective tissue in the form of fringes over the organ capsule. (d; case 13) Abdominal cavity, filarial nematodes in the mesentery. (e; case 13) Heart with epicardium presenting pale multifocal areas, and moderate adherence by fibrous and fibrinous serositis associated with filarial nematodes. (f; case 20) Small intestine with entrapment of intestinal segment by focal area of fibrosis with fibrous polyserositis caused by filarial nematodes
Data from: A model of marmoset monkey vocal turn-taking
<p>Vocal turn-taking has been described in a diversity of species. Yet a model that captures the various processes underlying this social behavior across species has not been developed. To this end, here we recorded a large and diverse dataset of marmoset monkey vocal behavior in social contexts comprising one, two and three callers and developed a model to determine the keystone factors that affect the dynamics of these natural communicative interactions. While a coupled oscillator model failed to account for turn-taking in marmosets, our model alternatively revealed four key factors that encapsulate much of patterns evident in the behavior, ranging from internal processes, such as the state of the individual, to social context driven suppression of calling. In addition, we show that the same key factors apply to the meerkat, a carnivorous species, in a multicaller setting. These findings indicate that vocal turn-taking is affected by a broader suite of mechanisms than previously considered and our model provides a predictive framework with which to further explicate this natural behavior and for direct comparisons with the analogous behavior in other species.</p>
FIGURE 11 in New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil
FIGURE 11: Adult Milton's titi monkey eating Cecropia fruit while carrying a baby at Roosevelt River, Mato Grosso, Brazil. Photo: A. Gambarini.
FIGURE 10 in New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil
FIGURE 10: Family group of Callicebus miltoni sp. nov. in the undercanopy of the ombrophilous forest at Panelas, right bank of the Roosevelt River, northwestern Mato Grosso, Brazil. Photo: A. Gambarini.
FIGURE 6 in New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil
FIGURE 6: Callicebus miltoni sp. nov., compared to geographically neighboring species (C. bernhardi and C. cinerascens) belonging to the Callicebus moloch species group. Illustration by Stephen D. Nash.
FIGURE 4 in New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil
FIGURE 4: Geographic distribution of Callicebus miltoni sp. nov. Records numbered as in the Table 1.
FIGURE 5 in New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil
FIGURE 5: Holotype of Callicebus miltoni sp. nov. before taxidermy, showing the whitish stripe of the forehead, dark-ocher sideburns and the orange tail. Photo: Jorge Lopes.
FIGURE 9 in New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil
FIGURE 9: Undercanopy of the ombrophilous alluvial forest, typical habitat of the Callicebus miltoni sp. nov. in the Roosevelt River region, Mato Grosso, Brazil. Photo: A. Gambarini.
FIGURE 3 in New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil
FIGURE 3: Skull of the holotype of Callicebus miltoni sp. nov. (MPEG 42654): A) Dorsal, ventral and lateral (left side) views of the braincase, and lateral (left side) view of the mandible; B) Frontal view of the braincase and dorsal view of the mandible. Photos: Marcelo Sturaro and Anderson Feijó.
FIGURE 2 in New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil
FIGURE 2: Skin of the holotype of Callicebus miltoni sp. nov. (MPEG 42654): A) Dorsal view of the head; B) Lateral view (left side) of the head; C) Ventral view of the tail; D) Dorsal view of the tail. Photos: Anderson Feijó.
FIGURE 1 in New species of titi monkey, genus Callicebus Thomas, 1903 (Primates, Pitheciidae), from Southern Amazonia, Brazil
FIGURE 1: Skin of the holotype of Callicebus miltoni sp. nov. (MPEG 42654). A) Dorsal view; B) ventral view; C) lateral (right side) view. Photos: Anderson Feijó.
Fig. 5 in Molecular characterization of trypanosomatid infections in wild howler monkeys (Alouatta caraya) in northeastern Argentina
Fig. 5. Agarose gel (2%) showing RibDNA-amplified fragments stained with ethidium bromide. Samples are indicated by their ID numbers. Reference strains were used as positive controls: TCI: T. cruzi I, TCII: T. cruzi II, and TR: T. rangeli. M: 1 kb DNA molecular ladder. Fragment size is indicated in base pairs.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.