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202 results for “reproductive behavior”
FIGURE 1 in The tadpole of Rhinella proboscidea (Anura: Bufonidae) with notes on adult reproductive behavior
FIGURE 1. Rhinella proboscidea tadpole at stage 37 (Gosner, 1960), (A) Lateral view, (B) Dorsal view (scale = 5 mm), (C) Oral disc (scale = 1 mm).
FIGURE 5 in Redescription of Allobates brunneus (Cope) 1887 (Anura: Aromobatidae: Allobatinae), with a description of the tadpole, call, and reproductive behavior
FIGURE 5. (A) Dorsal, (B) ventral, and (C) lateral views of a stage 39 tadpole of Allobates brunneus from lot INPA-H 10043. View of recent metamorph (INPA-H 10042); note that the dorsal pattern of the metamorph is similar to the adult pattern.
FIGURE 2 in Redescription of Allobates brunneus (Cope) 1887 (Anura: Aromobatidae: Allobatinae), with a description of the tadpole, call, and reproductive behavior
FIGURE 2. Dorsal views of males (A, B, and C) and females (D and E), showing variation in the dorsal patterns. (F) Ventral views of female (left) and male (right) in life showing the white throat in the female and the yellow throat in the male. (Photographs by A.P. Lima)
FIGURE 1 in Redescription of Allobates brunneus (Cope) 1887 (Anura: Aromobatidae: Allobatinae), with a description of the tadpole, call, and reproductive behavior
FIGURE 1. Dorsal (A), ventral (B), and lateral (C) view of male Allobates brunneus, INPA-H 10139; and dorsal (D), ventral (E), and lateral (F) view of female INPA-H 10119 in preservative.
FIGURE 4 in Redescription of Allobates brunneus (Cope) 1887 (Anura: Aromobatidae: Allobatinae), with a description of the tadpole, call, and reproductive behavior
FIGURE 4. Waveform and spectrogram of one series of advertisement calls showing pulsed calls in groups (A) and continuous calls (B) of the advertisement call of Allobates brunneus (INPA-H 10). Indistinct harmonics can be seen in both types of calls.
FIGURE 7 in Redescription of Allobates brunneus (Cope) 1887 (Anura: Aromobatidae: Allobatinae), with a description of the tadpole, call, and reproductive behavior
FIGURE 7. Deposition sites of eggs of Allobates brunneus: (A and B) clutches on upper surfaces of leaves of herbaceous vegetation, (C) tadpoles in stage 25 on upper surface of a leaf, and (D) clutch in rolled dead leaves on the ground.
Figs. 13–18 in Description Of The Larvae Of Three Species Of Macrodactylus Dejean (Coleoptera: Scarabaeidae: Melolonthinae) From Mexico, With Notes On The Reproductive Behavior Of Macrodactylus Ocreatus Bates
Figs. 13–18. Third instars of Macrodactylus nigripes (13–15) and Macrodactylus ocreatus (16–18). 13) Head, frontal view; 14) Epipharynx; 15) Raster. 16) Head, frontal view; 17) Epipharynx; 18) Raster. Scale bars = 1 mm.
Figs. 1–11 in Description Of The Larvae Of Three Species Of Macrodactylus Dejean (Coleoptera: Scarabaeidae: Melolonthinae) From Mexico, With Notes On The Reproductive Behavior Of Macrodactylus Ocreatus Bates
Figs. 1–11. Third instar of Macrodactylus mexicanus. 1) Head, frontal view; 2) Epipharynx; 3) Right maxilla, dorsal view; 4) Right mandible, ventral view; 5) Left mandible, ventral view; 6) Hypopharynx, dorsal view; 7) Thoracic spiracle; 8) Last antennal segment, ventral view; 9) Last antennal segment, dorsal view; 10) Tarsal claw, middle leg; 11) Raster. Scale bars = 1 mm, except in Figs. 7–10 where = 0.5 mm.
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.
Supplementary material 1 from: Ang Y, Rajaratnam G, Su KFY, Meier R (2017) Hidden in the urban parks of New York City: Themira lohmanus, a new species of Sepsidae described based on morphology, DNA sequences, mating behavior, and reproductive isolation (Sepsidae, Diptera). ZooKeys 698: 95-111. https://doi.org/10.3897/zookeys.698.13411
Aligned COI sequences for Themira putris, T. biloba, and Themira 'biloba-like' (i.e., T. lohmanus n. sp.) specimens : Data type: Fasta file
Data from: Behavioral and morphological traits interact to promote the evolution of alternative reproductive tactics in a lizard
Alternative reproductive tactics (ARTs) are predicted to be the result of disruptive correlational selection on suites of morphological, physiological and behavioral traits. ARTs are most obvious when they occur in discrete morphs with concomitant behavioral tactics. However, ARTs driven by behavior, in species lacking obvious phenotypic differences, are rarely documented and poorly understood. We quantified selection acting on phenotypic traits predicted to characterize ARTs by observing marked lizards in six semi-natural populations. We quantified reproductive fitness for each male using 6 microsatellite DNA loci from 226 offspring born to 56 females. Candidate models containing directional and correlational selection gradients were equally supported. As predicted, large males with large home ranges and large males who were observed frequently had the highest reproductive success. We also found evidence that large males that moved little, but were observed frequently and large males which moved frequently, but were observed little, were predicted to have high fitness. Model predictions support our verbal hypothesis regarding the phenotypes characterizing ARTs and suggest that large males may be adopting subtly different tactics to acquire paternity. Our results suggest that disruptive correlational selection between behavioral traits may drive the evolution of ARTs in 'cryptic' systems that lack overt polymorphisms.
FIGURE 4 in The tadpole of Physalaemus soaresi Izecksohn, 1965 (Anura: Leptodactylidae), with comments on taxonomy, reproductive behavior, and vocalizations
FIGURE 4. Narrowband audiospectrograms (filter bandwidth 133.29 Hz) of the advertisement call of (A) Physalaemus soaresi, recorded at typelocality on 15 November 1997, air temperature 26oC, and (B) Physalaemus olfersii, recorded at Teresópolis, Rio de Janeiro State, on 12 October 1996, air temperature 15oC.
FIGURE 1 in The tadpole of Physalaemus soaresi Izecksohn, 1965 (Anura: Leptodactylidae), with comments on taxonomy, reproductive behavior, and vocalizations
FIGURE 1. Tadpole of Physalaemus soaresi, stage 33 (Gosner 1960). (A) Lateral view, (B) dorsal view, and (C) ventral view.
FIGURE 3 in The tadpole of Physalaemus soaresi Izecksohn, 1965 (Anura: Leptodactylidae), with comments on taxonomy, reproductive behavior, and vocalizations
FIGURE 3. Oscillograms with an expanded timebase to show three cycles of the amplitudemodulated waveform from the middle of the advertisement call of (A) Physalaemus soaresi, and (B) Physalaemus olfersii. The horizontal bar indicates the period of one cycle; notice the different time scales.
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.
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.