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162 results for “nesting behavior”
Data from: Incubation recess behaviors influence nest survival of Wild Turkeys
<p>In ground nesting upland birds, reproductive activities contribute to elevated predation risk, so females presumably use multiple strategies to ensure nest success. Identification of drivers reducing predation risk have primarily focused on evaluating vegetative conditions at nest sites, but behavioral decisions manifested through movements during incubation may be additional drivers of nest survival. However, our understanding of how movements during incubation impact nest survival is limited for most ground nesting birds. Using GPS data collected from female Eastern Wild Turkeys (<i>n</i> = 206), we evaluated nest survival as it relates to movement behaviors during incubation, including recess frequency, distance traveled during recesses, and habitat selection during recess movements. We identified 9,361 movements off nests and 6,529 recess events based on approximately 62,065 hours of incubation data, and estimated mean nest attentiveness of 84.0%. Numbers of recesses taken daily were variable across females (range: 1‒7). Nest survival modeling indicated that increased cumulative distance moved during recesses each day was the primary driver of positive daily nest survival. Our results suggest behavioral decisions are influencing trade-offs between nest survival and adult female survival during incubation to reduce predation risk, specifically through adjustments to distances traveled during recesses.</p>
Leaf processing behavior in Atta leafcutter ants: 90% of leaf cutting takes place inside the nest, and ants select pieces that require less cutting
<p>Leafcutter ants cut trimmings from plants, carry them to their underground nests, and cut them into smaller pieces before inoculating them with a fungus that serves as a primary food source for the colony. Cutting is energetically costly, so the amount of cutting is important in understanding foraging energetics. Estimates of the cutting density, meters of cutting per square meter of leaf, were made from samples of transported leaf cuttings and of fungal substrate from field colonies of <em>Atta cephalotes</em> and <em>Atta colombica</em>. To investigate cutting inside the nest, we made leaf-processing observations of our laboratory colony, <em>A. cephalotes</em>. We did not observe the commonly reported reduction of the leaf fragments into a pulp, which would greatly increase the energy cost of processing. Video clips of processing behaviors, including behaviors that have not previously been described, are linked. An estimated 2.9 (+0.3) kilometers of cutting with mandibles was required to reduce a square meter of leaf to fungal substrate. Only about 12% (+ 1%) of this cutting took place outside of the nest. The cutting density and energy cost is lower for leaf material with higher ratios of perimeter to area, so we tested for, and found that the laboratory ants had a preference for leaves that were pre-cut into smaller pieces. Estimates suggest that the energy required to transport and cut up the leaf material is comparable to the metabolic energy available from the fungus grown on the leaves, and so conservation of energy is likely a particularly strong selective pressure for leafcutter ants.</p>
Fig. 1 in Nesting Behavior in TrichillumHarold, 1868 and Related Genera (Coleoptera: Scarabaeidae: Scarabaeinae: Ateuchini: Scatimina): A Primitive Process or a Loss of Nidification?
Fig. 1. Three views of Trichillum externepunctatum: larva (A, lateral) and pupa (B, lateral; C, dorsal).
Fig. 2 in Nesting Behavior in TrichillumHarold, 1868 and Related Genera (Coleoptera: Scarabaeidae: Scarabaeinae: Ateuchini: Scatimina): A Primitive Process or a Loss of Nidification?
Fig. 2. Schematic drawing of the nesting behavior of Trichillum externepunctatum. See text for explanation.
Fig. 2 in Morphological Changes in Reproductive Organs and Neuroendocrine Centers Related to Nesting, Mating, and Larvicide Behavior in Eurysternus mexicanus Harold (Scarabaeinae: Eurysternini)
Fig. 2. Variations in neurosecretion content in pars intercerebralis A cells in Eurysternus mexicanus males and females. a, minimum amount indicating that cells are active and producing neurosecretions (+); b, moderate amount being secreted by cells (++); c, maximum amount when cells are inactive and no longer producing neurosecretions (+++).
Fig. 3 in Morphological Changes in Reproductive Organs and Neuroendocrine Centers Related to Nesting, Mating, and Larvicide Behavior in Eurysternus mexicanus Harold (Scarabaeinae: Eurysternini)
Fig. 3. Modifications in the accessory gland reservoir of Eurysternus mexicanus males in accordance with the different behaviors studied: a, before emergence; b, before copulating; c, after copulating; d, after copulating and committing larvicide. ag 5 accessory gland base; gd 5 glandular duct; gs 5 glandular secretions.
Fig. 1 in Morphological Changes in Reproductive Organs and Neuroendocrine Centers Related to Nesting, Mating, and Larvicide Behavior in Eurysternus mexicanus Harold (Scarabaeinae: Eurysternini)
Fig. 1. Modifications in the ovary of Eurysternus mexicanus females. A. during prenesting: a, at emergence; b, before first copulation; c, after first copulation; d, before first mature oocyte is laid, B. during provisional nesting: e, after larvicide of first instars; f, after larvicide of second instars, C. during definitive nesting: g, at beginning of nest care, h, halfway through nest care; i, during late nest care. bo 5 basal oocyte; g 5 germarium; mo 5 mature basal oocyte; ov 5 oviduct; ro 5 oocyte being reabsorbed.
Figs. 12–16. S in Fig. 2 in Food Relocation Behavior, Nests, and Brood Balls of Canthon quinquemaculatus Laporte de Castelnau (Coleoptera: Scarabaeidae: Scarabaeinae)
Figs. 12–16. S. chinensis: metendosternite, proventriculis and female genitalia. 12) metendosternite, ventral view; 13) proventriculis; 14) hemisternites; 15) spermatheca; 16) 8th sternite.
Figs. 9–11. S in Fig. 2 in Food Relocation Behavior, Nests, and Brood Balls of Canthon quinquemaculatus Laporte de Castelnau (Coleoptera: Scarabaeidae: Scarabaeinae)
Figs. 9–11. S. chinensis: male genitalia. 9) aedeagus, lateral view; 10) aedeagus, dorsal view; 11) spiculum gastrale.
Figs. 5–8. S. chinensis head and rostrum. 5 in Fig. 2 in Food Relocation Behavior, Nests, and Brood Balls of Canthon quinquemaculatus Laporte de Castelnau (Coleoptera: Scarabaeidae: Scarabaeinae)
Figs. 5–8. S. chinensis head and rostrum. 5) male, dorso-anterior view; 6) male, lateral view. 7) female, dorso-anterior view; 8) female, lateral view.
Lateral hypothalamic neuronal ensembles regulate pre-sleep nest-building behavior
<p>Data and codes for the paper "Lateral hypothalamic neuronal ensembles regulate pre-sleep nest-building behavior".</p>
The effects of dietary proline, β-alanine, and γ-aminobutyric acid (GABA) on the nest construction behavior in the Oriental hornet
<p>Dataset for "The effects of dietary proline, β-alanine, and γ-aminobutyric acid (GABA) on the nest construction behavior in the Oriental hornet "</p>
Figure 14. Adult removing a faecal sac from Nest 2 in Breeding behavior, distribution, and conservation of the Sharp-tailed Tyrant Culicivora caudacuta (Vieillot, 1818) (Aves: Tyrannidae), a South American grassland specialist
Figure 14. Adult removing a faecal sac from Nest 2 after feeding the nestlings. Photo: RSS.
Data from: Nest architecture shapes the collective behavior of harvester ants
Structures influence how individuals interact and, therefore, shape the collective behaviours that emerge from these interactions. Here I show that the structure of a nest influences the collective behaviour of harvester ant colonies. Using network analysis, I quantify nest architecture and find that as chamber connectivity and redundancy of connections among chambers increase, so does a colony's speed of recruitment to food. Interestingly, the volume of the chambers did not influence speed of recruitment, suggesting that the spatial organization of a nest has a greater impact on collective behaviour than the number of workers it can hold. Thus, by changing spatial constraints on social interactions organisms can modify their behaviour and impact their fitness.
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.
ScienceDex guides
Understand access before you commit
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.