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123 results for “feral”
Feral Muscovy and Mallard Tracking Data at USF
<p>Tracking data collected as a part of published study. </p> <p> </p> <p>Joni Downs, Mehrdad Vaziri, Lucy Deba Enomah, and Zachary J. Smith. 2021. Habitat use and movements of feral Mallards (Anas platyrhynchos) and invasive Muscovy ducks (Cairina moschata) in Tampa, Florida. Florida Field Naturalist 49(2): 35-45.</p>
Data from: Do introduced apex predators suppress introduced mesopredators? A multiscale spatiotemporal study of dingoes and feral cats in Australia suggests not
<p>1. The role of apex predators in structuring ecosystems through the suppression of mesopredator activity and abundance is receiving increasing attention, largely due to the potential benefits for biodiversity conservation. In Australia, invasive mesopredators such as feral cats (Felis catus) have been identified as major contributors to Australia's mass mammal extinctions since European arrival. The introduced dingo (Canis familiaris) has been proposed as a novel way to suppress the impacts of feral cats, however scientific evidence of the dingo's suppressive role is equivocal. 2. We used camera traps to investigate whether a large introduced predator (dingo) suppresses the activity of an established introduced mesopredator (feral cat) across a national park site conserving endangered species, and an agricultural site supporting cattle grazing enterprises. 3. Feral cats and dingoes exhibited marked overlap in both temporal and spatial activity, indicating coexistence. Some temporal separation was evident at the agricultural site, however this reflected higher diurnal activity by dingoes, not a responsive shift in cat activity. Cat activity times were unrelated to dingo presence and did not differ between areas occupied by dingoes and dingo-free areas. There was no evidence of dingoes excluding cats from patches at either site, nor was there evidence of within-night fine-scale spatiotemporal avoidance of dingoes by cats. 4. Species co-occurrence models revealed dingoes had no negative effect on the probability of cat presence. The probability of detecting a cat on the national park was significantly higher in areas with dingoes than in dingo-free areas, while on agricultural land, cat detectability did not differ between areas with and without dingoes. Cats remained active, abundant and widespread across both sites, with evidence of cats hunting and breeding successfully in areas occupied by dingoes. 5. Synthesis and applications. Our findings indicate that feral cats can coexist with dingoes, without apparent suppression of cat activity, abundance, or fitness. Proposals to reintroduce or restore dingoes and other large predators to suppress invasive mesopredators and conserve biodiversity should be carefully evaluated on a site-by-site basis, as their ability to suppress cats and protect species of conservation significance will likely be context dependent.</p>
Feral pig (Sus scrofa) disturbance facilitates establishment of resource-acquisitive species in Hawaiian forest understories
<p>In this study, we quantify the effects of leaf traits and dispersal attributes on species responses to pig soil disturbance at two spatial scales – 0.5 m<sup>2</sup> patches embedded along 20 m transects within sites – across a gradient of pig density in a Hawaiian montane wet forest using Bayesian mixed models. </p> <p>Native and non-native species demonstrated divergent responses, with increasing presence and abundance of non-native species in the understory as soil disturbance within patches and sites increased. Dominant patterns in measured traits tracked the leaf economic spectrum (LES), with non-native species tending toward resource-acquisitive traits. Species with resource-acquisitive traits, regardless of identity, were favored with disturbance and responded positively to light availability in disturbed sites. Models showed species primarily dispersed by wind were more prevalent in disturbed patches and sites than those dispersed by endozoochory, while seed mass had no effect.</p>
FIG. 12 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 12. — Water and a little fodder provided to feral goats Capra hircus Linnaeus, 1758 on Agia Moni, Kythera, by their owner makes them more approachable and facilitates capture of kids for consumption. Photo credit: Valasia Isaakidou.
FIG. 10 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 10. — Feral goats Capra hircus Linnaeus, 1758 caught in a small trap with dry-stone entrance ramp, Mt Psiloritis, Crete. Photo credit: Valasia Isaakidou.
FIG. 11 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 11. — Feral goats Capra hircus Linnaeus, 1758 drinking (more or less fresh) water on the shoreline at Avlemonas, Kythera: nos. 1-2 from rock pools above sea-level and no. 3 from the sea. Photo credit: Valasia Isaakidou.
FIG. 8 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 8. — Kakia Langada gorge, Kythera: A, the inland origin of the gorge viewed from medieval Paliochora – drivers on the high ground to left and right ushered the goats (Capra hircus Linnaeus, 1758) down the gorge towards the sea; B, the mouth of the gorge – the goats were trapped on the storm beach between the sea, the steep walls of the gorge and the muddy pool in the bottom of the gorge. Photo credit: Valasia Isaakidou.
FIG. 9. — A in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 9. — A medium-sized (c. 50m2) purpose-built trap on Kythera with water trough, scattered remnants of hay, and dry-stone entrance ramp to right. Photo credit: Valasia Isaakidou.
FIG. 7 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 7. — Trapped feral goats Capra hircus Linnaeus, 1758 on Crete with ears clipped (red circles) to mark ownership. Photo credit: Valasia Isaakidou.
FIG. 6 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 6. — The fresh growth on evergreen oak (Quercus ilex L.) bushes (Kythera, spring 2018) is particularly sought out by feral goats Capra hircus Linnaeus, 1758. Photo credit: Valasia Isaakidou.
FIG. 5 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 5. — On Kythera feral goats Capra hircus Linnaeus, 1758 initially occupied rocky and sparsely vegetated parts of the landscape but latterly, with the widespread abandonment of cultivation, have expanded their range to areas with richer forage. Photo credit: Valasia Isaakidou.
FIG. 4 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 4. — The last resting place of an elderly feral goat Capra hircus Linnaeus, 1758 with a broken jaw in a rock-cut "cave" (previously used as a shelter for domestic goats and sheep) on eastern Kythera. Remains of feral goats, especially adult females and newborn kids, can also be found in many abandoned rural out-buildings. Photo credit: Valasia Isaakidou.
FIG. 2 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 2. — Typical feral goat Capra hircus Linnaeus, 1758 habitat: cliffs and caves above Kato Zakros, eastern Crete. Photo credit: Valasia Isaakidou.
FIG. 3 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 3. — Feral goats Capra hircus Linnaeus, 1758 browsing above Gonies on mid-slopes of Mt Psiloritis, central Crete. Photo credit: Valasia Isaakidou.
FIG. 1 in Management of feral goats Capra hircus Linnaeus, 1758 in insular southern Greece: implications for prehistory
FIG. 1. — Map of Greece showing location of modern feral goat Capra hircus Linnaeus, 1758 populations studied by observation or interview with owner:A, B, named locations on Crete: 1, Ano Zakros; 2, Kato Zakros; 3, Palaikastro; 4, Toplou monastery; 5, Xirolimni; 6, Kritsa; 7, Tzermiado; 8, Psychro; 9, Ag Georgios; 10, Martha; 11, Akhendrias;12, Anogia;13, Sisarkha;14, Gonies;15, Axos;C, named locations on Kythera:16, Avlemonas;17, Diakofti;18, Kakia Langada;other named locations: Antikythera, Proti; *, locations not mentioned by name in the text. Credits: Google Earth - Data SIO, NOAA, U.S. Navy, NGA, GEBCO Landsat / Copernicus (A-C).
Fig. 2 in Quantitative genetics of gastrointestinal strongyle burden and associated body condition in feral horses
Fig. 2. Predicted relationship between an individual's annual location and a) faecal egg count (measured as the natural logarithm of eggs per gram (EPG) + 25) and b) body condition. Location is scaled to a mean of 0 and standard deviation of 1, therefore 0 represents the centre of the island with −2 at the far west and 2 at the far east. The fitted line comes from the full univariate animal model in each case. In both cases, overlap between points is represented by darker point colour. In 2b. points have been jittered along the y axis to ease visualisation.
Fig. 2. a in Not playing by the rules: Unusual patterns in the epidemiology of parasites in a natural population of feral horses (Equus caballus) on Sable Island, Canada
Fig. 2. a) Dictyocaulus arnfieldi first-stage larvae showing typical granular appearance and beginning of cuticular separation b) closer view of tail showing stylet, or spear.
Fig. 1 in Not playing by the rules: Unusual patterns in the epidemiology of parasites in a natural population of feral horses (Equus caballus) on Sable Island, Canada
Fig. 1. Map of Sable Island, Canada, which is about 50 km long, 1 km wide at its widest point, and in total, 34 km2 (from Gold et al., 2019).
Fig. 3 in Not playing by the rules: Unusual patterns in the epidemiology of parasites in a natural population of feral horses (Equus caballus) on Sable Island, Canada
Fig. 3. Proportions of third-stage larvae of large and small strongyle species cultured from feces of 81 Sable Island horses in summer 2014, showing an unusual dominance of S. equinus in adult horses. Larvae with a rhabditiform pharynx were rare in young (1–3 years) and adult horses (≥3 years), but common in foals, which could represent larvae of Strongyloides westeri.
Fig. 3 in Comparison of the modified agglutination test and real-time PCR for detection of Toxoplasma gondii exposure in feral cats from Phillip Island, Australia, and risk factors associated with infection
Fig. 3. Predicted lines of fit for the multivariable logistic regression model plotted as probability of Toxoplasma gondii qPCR positivity in feral cats on Phillip Island (Victoria) versus body weight for each season. Dashed lines show 95% confidence intervals.
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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.