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172 results for “Feeding behavior”
Figs. 5–11 in Larval Description, Adult Feeding Behavior, and Phylogenetic Placement of Megalopinus (Coleoptera: Staphylinidae)
Figs. 5–11. Larval thoracic and abdominal features of Megalopinus. 5) Pronotum, dorsal view; 6) mesonotum, dorsal view; 7) Tergite 1, dorsal view; 8) ventrite 1, ventral view; 9) right proleg, anterior view; 10) Abdominal segment IX, dorsal view; 11) abdominal segment X, ventral view. Scale bars ¼ 0.01 mm.
Figs. 1–4 in Larval Description, Adult Feeding Behavior, and Phylogenetic Placement of Megalopinus (Coleoptera: Staphylinidae)
Figs. 1–4. Larval head of Megalopinus. 1) Head, dorsal view (specimen slightly compressed; 2) maxilla and labium, ventral right view; 3) right antenna, ventral view; 4) left mandible, ventral view. Scale bars ¼ 0.01 mm.
Fig. 3 in Sharing the Trench: A Curious Feeding Behavior of Diabrotica porracea Harold (Chrysomelidae: Galerucinae) in the Presence of Epilachna tredecimnotata (Latreille) (Coccinellidae)
Fig. 3. Epilachna tredecimnotata eating together with two Diabroticina species, Diabrotica tibialis Baly (left) and Gynandrobrotica lepida (Say) (right), from within an area trenched previously by the same Epilachna beetle. This photograph was taken in the field on a Cucurbita okeechobeensis spp. martinezii plant. The arrows indicate the trenched circle.
Fig. 2. This image shows a in Sharing the Trench: A Curious Feeding Behavior of Diabrotica porracea Harold (Chrysomelidae: Galerucinae) in the Presence of Epilachna tredecimnotata (Latreille) (Coccinellidae)
Fig. 2. This image shows a trench cut by Epilachna tredecimnotata in a Lagenaria siceraria (Mol.) Standley (Cucurbitaceae) leaf. The area within the trench has been partially eaten.
Fig. 1 in Sharing the Trench: A Curious Feeding Behavior of Diabrotica porracea Harold (Chrysomelidae: Galerucinae) in the Presence of Epilachna tredecimnotata (Latreille) (Coccinellidae)
Fig. 1. Epilachna tredecimnotata eating within the trenched area cut prior to feeding in a Cucurbita okeechobeenis spp. martinezii leaf. The arrows show the circle cut into the leaf (''trench'').
Drymarchon corais (Colubridae) and Caiman crocodilus (Alligatoridae) use different feeding behaviors to consume poisonous toads
<p><span>Drymarchon corais</span><span> and Caiman crocodilus are reported here using different feeding behaviors for consuming poisonous toads of the genus Rhinella (Bufonidae). Drymarchon corais was observed feeding on specimens of Rhinella diptycha without avoiding contact with the parotoid macroglands, suggesting that this snake species is immune to toad toxins. Caiman crocodilus was recorded avoiding contact with the parotoid macroglands of specimens of Rhinella marina by consuming only the front and rear legs, suggesting that this caiman may be sensitive to toad toxins. Further experimental and field studies are needed to better understand the feeding behavior of D. corais and C. crocodilus, and the effects of Rhinella toxins on these predators.</span></p>
Raw data on mortality, feeding rates, swimming behavior and energy reserves: Goetz et al 2022
<p><span>The abundance and persistence of plastic nanoparticles in aquatic habitats are considered a threat to marine and freshwater biota. However, the risk assessment of plastic particles is complicated due to various factors that need to be considered, including composition, size and environmental abundance.</span><span><br></span></p> <p><span>This study investigated the behavioural response of a key river species, <em>Gammarus roeseli</em>, to dietary exposure of plain biodegradable and non-biodegradable plastic as well as to natural small micro- and nanoparticles. Mortality, feeding, swimming velocity and energy assimilation endpoints were examined by considering four particles sizes ranging from 30 to 1000 nm in two concentrations.</span><span><br></span></p> <p><span>Contrary to our expectations, neither decreasing size nor increasing abundance of each tested particle impacted any of the examined endpoints. Likewise, dietary exposition with biodegradable plain polylactide did not induce other or stronger effects than non-biodegradable plain polystyrene or natural silica micro- and nanoparticles, as all three particle types did not lead to adverse effects on <em>G. roeseli</em>. These findings also suggest that the functional role of <em>Gammarus roeseli</em> as a shredder is not impaired due to particle occurrence within the exposure range of this study.</span></p>
Figure 12. Two adults feeding a nestling with dragonflies, 8 December 2003 in Breeding behavior, distribution, and conservation of the Sharp-tailed Tyrant Culicivora caudacuta (Vieillot, 1818) (Aves: Tyrannidae), a South American grassland specialist
Figure 12. Two adults feeding a nestling with dragonflies, 8 December 2003. Photo: RSS.
C57BL/6 mice feeding behavior dataset
<p>C57BL/6 mice feeding behavior data set for Pergola's documentation examples.</p>
C57BL/6 mice feeding behavior dataset Bio-protocol
<p>C57BL/6 mice feeding behavior data set for reproducing Bio-Protocol data analysis and visualization.</p>
Fig. 9. A in Feeding, Reproductive, and Nesting Behavior ofCanthon bispinusGermar (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 9. A brood ball of Canthon bispinus that has lost its initial form, being covered with excreta from the larva. Scale bar = 5 mm.
Figs. 5–7 in Feeding, Reproductive, and Nesting Behavior ofCanthon bispinusGermar (Coleoptera: Scarabaeidae: Scarabaeinae)
Figs. 5–7. Nesting behavior of Canthon bispinus. 5) Female building the cup-shaped egg chamber of the brood ball; 6) Female caring for a superficial brood ball; 7) Compound and subterranean nests showing the couple (arrows) caring for brood balls at different stages of development, with the larval excreta visible on both of them; one of the food balls has not been transformed into a brood ball yet. Scale bars = 5 mm.
Fig. 3 in Feeding, Reproductive, and Nesting Behavior ofCanthon bispinusGermar (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 3. Male Canthon bispinus in headstand position emitting pheromones. A) Beside the food, B) Beside a small food ball, C) Beside a large food ball, D) At the entrance of a gallery. Scale bars = 5 mm.
Fig. 4 in Feeding, Reproductive, and Nesting Behavior ofCanthon bispinusGermar (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 4. Mating pair of Canthon bispinus rolling a food ball, male in pushing position, female on top of the food ball. A) Pair with a food ball made by the male alone, B) Ball made with the aid of female. Scale bars = 5 mm.
Fig. 2 in Feeding, Reproductive, and Nesting Behavior ofCanthon bispinusGermar (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 2. Sequence showing the burial of a piece of fish in situ by Canthon bispinus. A) Piece of fish in a slight depression in the ground which was excavated by the beetle located below that, B) Piece of fish being rotated in its place, C) Food completely covered with soil and turned into an ovoid in a deeper depression, D) Food almost entirely, shallowly buried. Scale bars = 10 mm.
Fig. 1 in Feeding, Reproductive, and Nesting Behavior ofCanthon bispinusGermar (Coleoptera: Scarabaeidae: Scarabaeinae)
Fig. 1. Food relocation by Canthon bispinus. A) Individual rolling a ball made with fish meat, B) Adult rolling a small dog dung pellet, C) Adult rolling an irregular, small piece of fish. Scale bars = 5 mm.
Development of an automated biomaterial platform to study mosquito feeding behavior
<p>Mosquitoes carry a number of deadly pathogens that are transmitted while feeding on blood through the skin, and studying mosquito feeding behavior could elucidate countermeasures to mitigate biting. Although this type of research has existed for decades, there has yet to be a compelling example of a controlled environment to test the impact of multiple variables on mosquito feeding behavior. In this study, we leveraged uniformly bioprinted vascularized skin mimics to create a high-throughput mosquito feeding platform with independently tunable feeding sites. Our platform allows us to observe mosquito feeding behavior and collect video data for 30-45 minutes while collecting video data. We maximized throughput by developing a highly accurate computer vision model (mean average precision: 92.5%) that automatically processes videos and increases measurement objectivity. This model enables assessment of critical factors such as feeding and activity around feeding sites, and we used it to evaluate the repellent effect of DEET and oil of lemon eucalyptus-based repellents. Our resultsWe validatedshow that both repellents effectively repel mosquitoes in laboratory settings (0% feeding in experimental groups, 13.8% feeding in control group, p<0.0001), validating suggesting our platform’s use as a repellent screening assay in the future. The platform is scalable, compact, and reduces dependence on vertebrate hosts in mosquito research.</p>
Temperature-dependent feeding behavior in the brown box crab
<p>Growing fishing pressures and ocean warming are potential concerns for populations of brown box crabs, <em>Lopholithodes</em> <em>foraminatus</em>, at the southern end of their geographic distribution. In Southern California, brown box crabs are thought to occupy a broad depth gradient (intertidal zone – 547 m), which exposes them to temperatures ranging from 8℃–24°C. This large temperature span presents challenges for these ectothermic animals because the rates of their physiological processes, and ultimately their dietary needs, behavior, and health, vary with temperature. Here we examined how temperature affects the feeding behavior of brown box crabs to better understand their ecology in warmer regions of their distribution. Adult crabs were exposed to one of three temperature treatments (8℃, 15°C, and 20℃, N=10) for 2 months. Weekly throughout the exposure period, crabs were given two similar-sized prey items of different crushing strength (clam and mussel). Claw pinch force, prey preference, time to consume prey, and number of prey consumed were recorded prior to the start of the experiment and weekly for the duration of the study, with the exception of pinch force, which was recorded bi-weekly. We hypothesized that crabs will have a stronger pinch force at warmer temperatures, prefer prey items that require less breaking force at the coldest temperature, consume prey faster at warmer temperatures, and consume more prey at warmer temperatures. Our results confirm that pinch force is consistently greater at 15°C compared to 8°C, however, crabs at 8°C consumed more clams (higher strength) while those at 15°C consumed more mussels. Crabs at 8°C also consumed prey items faster than crabs at 15°C but ate a similar number of prey. Furthermore, there was 100% mortality at 20℃ within 8 days of exposure, indicating their proximity to lethal limits within Southern California. These results show that brown box crab feeding behavior exhibits temperature thresholds, which may alter their nutritional state, community interactions, and distribution under both short-term and long-term changes in ocean temperature.</p>
Fig. 4 in Glandular trichome-derived sesquiterpenes of wild tomato accessions (Solanum habrochaites) affect aphid performance and feeding behavior
Fig. 4. Effect of pure β-caryophyllene and α-humulene on M. euphorbiae feeding performance (A–C) and choice behavior (D). Different amounts of a mix of pure β-caryophyllene and α-humulene (3:1 ratio) were added to the feeding diet. The data in (A), (B), and (C) show the comparison of Kaplan-Meier survival curves (logrank test, α =0.05), gel saliva density (Tukey's HSD, α =0.05), and number of honeydew drops (ANOVA, α = 0.05), respectively, upon addition of different amounts of pure sesquiterpenes to the artificial diet. The data in (D) represent the behavioral responses of aphid alatae to odors from leaves of c.v. M82 alone (right bars) or from leaves of c.v. M82 leaves in combination with different amounts of a mix of pure β-caryophyllene and α-humulene (left bars) (Chi-square goodness of fit; *, P <0.05; **, P <0.01).
Fig. 5 in Glandular trichome-derived sesquiterpenes of wild tomato accessions (Solanum habrochaites) affect aphid performance and feeding behavior
Fig. 5. α-Santalene and α-bergamotene producing tomato introgression line affects performance, feeding and choice behavior of M. euphorbiae. (A) Performance of M. euphorbiae apterae arrested on the leaf surface of S. lycopersicum LA4024, S. habrochaites LA1777, and the introgression lines LA3935, LA3934, LA3936, and LA3937. Values for longevity and fecundity are presented as mean ± SE and compared by Tukey's HSD test (α =0.05). (B) Kaplan-Meier estimates of survivorship of M. euphorbiae apterae feeding on artificial diets containing leaf dip extracts of S. lycopersicum LA4024, S. habrochaites LA1777, and the introgression line LA3935 (logrank test, α = 0.05). (C) and (D) Box plots represent means ± SE of gel saliva density (cm 2) and number of honeydew drops, respectively. Tukey's HSD tests (α = 0.05) are used for post-hoc analysis. (E) Choice of M. euphorbiae alatae between odors from LA4024 leaves alone (left bars) and from LA4024 leaves with added leaf dip extracts (100 and 300 μL) from the introgression line LA3935 or S. habrochaites LA1777 (right bars) (Chi-square goodness of fit; *, P <0.05; **, P <0.01).
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.