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155 results for “feeding behaviour”
Data from: Behavioural responses to potential dispersal cues in two economically important cereal-feeding eriophyoid mite species
<p>Variables:</p> <ol> <li>species (ABH = <em>Abacarus hystrix</em>, WCM = <em>Aceria tosichella</em> MT1 genetic lineage)</li> <li>variant - experimental treatment (type of dispersal cue): wind, an insect vector, presence of a fresh plant</li> <li>feeding - no. of feeding specimens</li> <li>walking - no. of walking specimens</li> <li>standing - no. of specimens standing vertically</li> <li>cha - no. of specimens forming chains</li> <li>mob - no. of specimens capable to move</li> <li>pop - no. of all specimens (including quiescent stages)</li> </ol>
Data and R script for 'Evaluating the cyclic ratio schedule as an assay of feeding behaviour in the European starling (Sturnus vulgaris)'
<p>Data files and R script for Dunn et al. "Evaluating the cyclic ratio schedule as an assay of feeding behaviour in the European starling (<em>Sturnus vulgaris</em>)"</p> <p>Includes a single R script that produces all the analyses in the paper. The script makes use of three different .csv data files.</p>
Bottom of DR1 tank, the sides of the module are fitted with glass panels which allow natural light from a window to enter the tank, and the observer to view the behaviour of the broodstock. This device ensures easy viewing and checking of the broodstock, facilitates management of feeding and allows effective monitoring of reproduction. in Reproduction of Zingel asper (Linnaeus, 1758) in controlled conditions: an assessment of the experiences realized since 2005 at the Besançon Natural History Museum
Bottom of DR1 tank, the sides of the module are fitted with glass panels which allow natural light from a window to enter the tank, and the observer to view the behaviour of the broodstock. This device ensures easy viewing and checking of the broodstock, facilitates management of feeding and allows effective monitoring of reproduction.
Behavioural variation among workers promotes feed-forward loops in a simulated insect colony
<p class="CxSpFirst">Coordinated responses in eusocial insect colonies arise from worker interaction networks that enable collective processing of ecologically relevant information. Previous studies have detected a structural motif in these networks known as the feed-forward loop, which functions to process information in other biological regulatory networks (e.g., transcriptional networks). However, the processes that generate feed-forward loops among workers and the consequences for information flow within the colony remain largely unexplored. We constructed an agent-based model to investigate how individual variation in activity and movement shaped production of feed-forward loops in a simulated insect colony. We hypothesised that individual variation along these axes would generate feed-forward loops by driving variation in interaction frequency among workers. We found that among-individual variation in activity drove overrepresentation of feed-forward loops in the interaction networks by determining the directionality of interactions. However, despite previous work linking feed-forward loops with efficient information transfer, activity variation did not promote faster or more efficient information flow, thus providing no support for the hypothesis that feed-forward loops reflect selection for enhanced collective functioning. Conversely, individual variation in movement trajectory, despite playing no role in generating feed-forward loops, promoted fast and efficient information flow by linking together unconnected regions of the nest.</p>
Figure 7 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 7. Various palp positions observed for Magelona mirabilis from in situ experiments. Third picture depicts debris collecting on and in between the palps.
Figure 3 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 3. Experimental set-up: A, aquarium tank and cooling system; B, Magelona johnstoni Berwick-upon-Tweed (NMW.Z. 2013.037.0001): live animal in capillary tube. Photo: A.S.Y. Mackie.
Figure 10 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 10. Abdominal posteriorly opening pouches from several specimens of Magelona johnstoni: A–B, initiation of new pouches represented by small 'holes' (lateral view) (A: NMW.Z.2013.037.0008e; B: NMW.Z.2013.037.0010d); C, first pouch (~6 chaetigers) from pygidium (lateral view) (NMW.Z.2013.037.0011d); D, first pouch from a regenerating tail (ventral/posterior view) (NMW.Z.2013.037.0008c); E, third pouch (~10 chaetigers) from pygidium (posterior view) (NMW.Z.2013.037.0011d); F, posteriorly opening pouch of an abdominal fragment (lateral posterior view) (NMW.Z.1998.028). Photos: K. Mortimer.
Figure 2 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 2. Magelona mirabilis Berwick-upon-Tweed (NMW.Z. 2013.037.0020): A, whole animal; B, anterior (ventral view); C, palp; D, prostomium (ventral view, showing mouth); E, posterior. All MgCl -relaxed. Photos: A.S.Y. Mackie.
Figure 6 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 6. In situ picture of the posterior thorax and anterior abdomen of living Magelona johnstoni (chaetigers 7–14, dorsal view).
Figure 9 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 9. Lateral view of Magelona johnstoni between chaetigers 9 (to the left of the picture) and chaetiger 11 (to the right), showing anteriorly opening abdominal pouches between chaetigers 10 and 11. Arrows indicate water flow around the pouches and lamellae, as observed during capillary tube experiments.
Figure 5 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 5. Magelona johnstoni Berwick-upon-Tweed: A, prostomium and first two chaetigers (ventral view), showing mouth surrounded by one upper (UL) and two lower lips (LL), and the proboscis (Pb, not everted) (NMW.Z.1999.021.0020a); B, papillae of mid-palp region (NMW.Z.2013.037.0008c); C, left-hand anteriorly opening pouch located between chaetigers 10 and 11 (lateral view, DF = dorsal flap, VF = ventral flap, LO = lateral organ, CM = convoluted membrane) (NMW.Z.2013.037.0011b); D, close-up view of convoluted membrane; E, transverse section through the body and anteriorly opening pouch situated between chaetigers 10 and 11 (posterior half of pouch and parapodia of chaetiger 11) (NotoL = notopodial lamellae, NeuroL = neuropodial lamellae) (NMW.Z.2013.037.0010c); F, anterior half of same pouch (NMW.Z.2013.037.0010b). Photos: K. Mortimer.
Figure 1 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 1. Magelona johnstoni Berwick-upon-Tweed (A, C, D, G: NMW.Z. 2013.037.0018; B: NMW.Z. 2013.037.0001; E, F: NMW.Z. 2013.037.0017; H: NMW.Z. 2013.037.0015): A, whole animal; B, anterior (dorsal view); C, anterior (ventral view); D, anterior (lateral view); E, palp; F, prostomium (ventral view, showing mouth); G, prostomium (ventral view, 'proboscis' everted); H, posterior section of female showing eggs. All MgCl -relaxed. Photos: A.S.Y. Mackie.
Figure 8 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 8. Showing two individuals of Magelona johnstoni simultaneously making lateral sinuous movements of the thorax (outside the burrow) (dorsal views).
Figure 4 in Morphology, feeding and behaviour of British Magelona (Annelida: Magelonidae), with discussions on the form and function of abdominal lateral pouches
Figure 4. Feeding in Magelona johnstoni: A, feeding position within the burrow (ventral view), indicating four zones where different methods are utilised to move food particles along the palp; B, looping of the palp at the surface (zone 1), in order to pass food particles along the palp (lateral view); C, similar process to that shown in B but utilising coiling of the palp (lateral view, papillae omitted for clarity); D, sequence showing the process of passing food particles from papillae to papillae along palp in zone 2; E, food particles being passed between papillae of both palps in zone 3; F, region where food particles are dropped towards mouth (ventral view) in zone 4.
Fig. 6.- Anthrenus angustefasciatus final larval instar case. 6a in Behavioural and feeding observations of some Anthrenus Geoffroy, 1767 species (Coleoptera, Dermestidae) and identification using final larval instar cases
Fig. 6.- Anthrenus angustefasciatus final larval instar case. 6a.- Dorsal aspect (scale bar = 1 mm). 6b.- Lateral aspect (scale bar = 1 mm). 6c.- Head capsule (scale bar = 1 mm). 6d.- Arrow-headed hastisetae on terminal segments (scale bar = 100 µm).
Fig. 5.- Anthrenus amandae final larval instar case. 5a in Behavioural and feeding observations of some Anthrenus Geoffroy, 1767 species (Coleoptera, Dermestidae) and identification using final larval instar cases
Fig. 5.- Anthrenus amandae final larval instar case. 5a.– Dorsal aspect (scale bar = 1 mm). 5b.- Lateral aspect (scale bar = 1 mm). 5c.- Head capsule (scale bar = 1 mm). 5d.- Arrow-headed hastisetae on terminal segments (scale bar = 100 µm).
Fig. 7.- Anthrenus isabellinus final larval instar case. 7a in Behavioural and feeding observations of some Anthrenus Geoffroy, 1767 species (Coleoptera, Dermestidae) and identification using final larval instar cases
Fig. 7.- Anthrenus isabellinus final larval instar case. 7a.- Dorsal aspect (scale bar = 1 mm). 7b.- Lateral aspect (scale bar = 1 mm). 7c.- Head capsule (scale bar = 1 mm). 7d.- Arrow-headed hastisetae on terminal segments (scale bar = 100 µm).
Fig. 4.- Anthrenus amandae. 4a in Behavioural and feeding observations of some Anthrenus Geoffroy, 1767 species (Coleoptera, Dermestidae) and identification using final larval instar cases
Fig. 4.- Anthrenus amandae. 4a.– Quiescent in final larval instar case. 4b.– Rotation in final larval instar case to split sutures in head capsule to facilitate eclosion. Scale bars = 1 mm in both cases.
Fig. 1.- Dorsal aspect. 1a.- Anthrenus amandae. 1b.- Anthrenus angustefasciatus. 1c in Behavioural and feeding observations of some Anthrenus Geoffroy, 1767 species (Coleoptera, Dermestidae) and identification using final larval instar cases
Fig. 1.- Dorsal aspect. 1a.- Anthrenus amandae. 1b.- Anthrenus angustefasciatus. 1c.- Anthrenus isabellinus. Scale bar = 1 mm in all cases.
Fig. 1 in Short communication Antecedent description and depiction of the recently described cetacean behaviour of trap/tread-water feeding inferred from a nineteenth-century sighting of a 'sea monster' in the Gulf of Suez, Egypt
Fig. 1 - Illustration of a nineteenth-century encounter with a purported sea monster observed in the Gulf of Suez (Andrews, 1879). The vertical body position and open mouth of what is obviously a baleen whale (the rightward animal in the group) closely resembles the photographs and digital reconstructions of the recently described, so-called 'new' or 'first' descriptions of the stationary hunting behaviour of trap/tread-water feeding, as shown in Iwata et al. (2017), McMillan et al. (2018), McCarthy et al. (2023a, 2023b), and Lu (2023). The illustration, drawn in concordance to the eyewitness report, is emblematic of the instance of such whales 'rapidly closing them [their mouths] to trap prey' (McCarthy et al., 2023a). Note the presence of seabirds, something common to all modern recorded instances of such feeding documented in humpback whales, an association which may be related to shoaling fish being driven to seek the apparent shelter of the whale's open mouth (McMillan et al., 2018).
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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.