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106 results for “signal evolution”
Figs 79–92 in Comparative analysis of male calling signals in closely related species of Macropsis Lewis, 1836 (Homoptera: Auchenorrhyncha: Cicadellidae: Eurymelinae: Macropsini) reveals possible ways of evolution of the signal temporal pattern
Figs 79–92. Oscillograms of male calling signals: 79–82 — Evacanthus asiaticus; 83–88 — Limotettix (Scleroracus) russeolus; 89–92 — Hephathus nanus. Faster oscillograms of the parts of signals indicated as "86–88" and "91–92" are given under the same numbers. Рис. 79–92. Осциллограммы приЗывных сигналов: 79–82 — Evacanthus asiaticus; 83–88 — Limotettix (Scleroracus) russeolus; 89– 92 — Hephathus nanus. Фрагменты сигналов, обоЗначенные цифрами "86–88" и "91–92", представлены на осциллограммах под такими же номерами.
Figs 64–78 in Comparative analysis of male calling signals in closely related species of Macropsis Lewis, 1836 (Homoptera: Auchenorrhyncha: Cicadellidae: Eurymelinae: Macropsini) reveals possible ways of evolution of the signal temporal pattern
Figs 64–78. Oscillograms of male calling signals: 64–65 — Handianus fartilis; 66–69 — Aconurella diplachnis; 70–78 — Fangamanus tripunctatus. Faster oscillograms of the parts of signals indicated as "67–69" and "74–78" are given under the same numbers. Рис. 64–78. Осциллограммы приЗывных сигналов: 64–65 — Handianus fartilis; 66–69 — Aconurella diplachnis; 70–78 — Fangamanus tripunctatus. Фрагменты сигналов, обоЗначенные цифрами "67–69" и "74–78", представлены на осциллограммах под такими же номерами.
Figs 54–63 in Comparative analysis of male calling signals in closely related species of Macropsis Lewis, 1836 (Homoptera: Auchenorrhyncha: Cicadellidae: Eurymelinae: Macropsini) reveals possible ways of evolution of the signal temporal pattern
Figs 54–63. Oscillograms of male calling signals: 54–57 — Macropsis megerlei; 58–63 — M. ornata. Faster oscillograms of the parts of signals indicated as "56–57" and "61–63" are given under the same numbers. Рис. 54–63. Осциллограммы приЗывных сигналов: 54–57 — Macropsis megerlei; 58–63 — M. ornata. Фрагменты сигналов, обоЗначенные цифрами "56–57" и "61–63", представлены на осциллограммах под такими же номерами.
Figs 39–53 in Comparative analysis of male calling signals in closely related species of Macropsis Lewis, 1836 (Homoptera: Auchenorrhyncha: Cicadellidae: Eurymelinae: Macropsini) reveals possible ways of evolution of the signal temporal pattern
Figs 39–53. Oscillograms of male calling signals: 39–47 — Macropsis milkoi; 48–53 — M. aselae. Faster oscillograms of the parts of signals indicated as "40", "46–47", and "52–53" are given under the same numbers. Рис. 39–53. Осциллограммы приЗывных сигналов: 39–47 — Macropsis milkoi; 48–53 — M. aselae. Фрагменты сигналов, обоЗначенные цифрами "40", "46–47" и "52–53", представлены на осциллограммах под такими же номерами.
Data from: Clock gene evolution: seasonal timing, phylogenetic signal, or functional constraint?
Genetic determinants of seasonal reproduction are not fully understood, but may be important predictors of organism responses to climate change. We used a comparative approach to study the evolution of seasonal timing within a fish community in a natural common garden setting. We tested the hypothesis that allelic length variation in the PolyQ domain of a circadian rhythm gene, Clock1a, corresponded to interspecific differences in seasonal reproductive timing across five native and one introduced cyprinid fishes (n = 425 individuals) that co-occur in the Rio Grande, New Mexico, USA. Most common allele lengths were longer in native species that initiated reproduction earlier (Spearman's r = -0.70, p = 0.23). Clock1a allele length exhibited strong phylogenetic signal and earlier spawners were evolutionarily derived. Aside from length variation in Clock1a, all other amino acids were identical across native species, suggesting functional constraint over evolutionary time. Interestingly, the endangered Rio Grande silvery minnow (Hybognathus amarus) exhibited less allelic variation in Clock1a and observed heterozygosity was 2- to 6-fold lower than the five other (non-imperiled) species. Reduced genetic variation in this functionally important gene may impede this species' capacity to respond to ongoing environmental change.
Data from: Identity signaling, identity reception and the evolution of social recognition in a Neotropical frog
<p>Animals recognize familiar individuals to perform a variety of important social behaviors. Social recognition is often mediated by communication between signalers who produce signals that contain identity information and receivers who categorize these signals based on previous experience. We tested two hypotheses about adaptations in signalers and receivers that enable the evolution of social recognition using two species of closely related territorial poison frogs. Male golden rocket frogs (<i>Anomaloglossus beebei</i>) recognize the advertisement calls of conspecific territory neighbors and display a "dear enemy effect" by responding less aggressively to neighbors than strangers, while male Kai rocket frogs (<i>A. kaiei</i>) do not. Our results did not support the identity signaling hypothesis: both species produced advertisement calls that contain similar amounts of identity information. Our results did support the identity reception hypothesis: both species exhibited habituation of aggression to playbacks simulating the arrival of a new neighbor, but only golden rocket frogs showed renewed aggression when they subsequently heard calls from a different male. These results suggest that an ancestral mechanism of plasticity in aggression common among frogs has been modified through natural selection to be specific to calls of individual males in golden rocket frogs, enabling a social recognition system.</p>
Data from: Selection on signal-reward correlation: limits and opportunities to the evolution of deceit in Turnera ulmifolia L.
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The evolution of sexual signaling is linked to odorant receptor tuning in perfume-collecting orchid bees
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Data from: Identity signaling, identity reception and the evolution of social recognition in a Neotropical frog
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Investment in chemical signalling glands facilitates the evolution of sociality in lizards
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Can sensory drive explain the evolution of visual signal diversity in terrestrial species? A test with Anolis lizards
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Data from: Monogenean anchor morphometry: systematic value, phylogenetic signal, and evolution
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Data from: Prepared for the future: a strong signal of evolution towards the adult benthic niche during the pelagic stage in Labrid fishes
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Data from: Ecological divergence, adaptive diversification, and the evolution of social signaling traits: an empirical study in arid Australian lizards
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Data from: Why are animals conspicuously colored? Evolution of sexual versus warning signals in land vertebrates
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Does breeding season variation affect evolution of a sexual signaling trait in a tropical lizard clade?
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Data from: The evolution of signal-reward correlations in bee and hummingbird-pollinated species of Salvia
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Data from: Conflicting phylogenomic signals reveal a pattern of reticulate evolution in a recent high-Andean diversification (Asteraceae: Astereae: Diplostephium)
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Data from: Purring crickets: the evolution of a novel sexual signal
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Data from: The influence of feeding on the evolution of sensory signals: a comparative test of an evolutionary trade-off between masticatory and sensory functions of skulls in southern African Horseshoe bats (Rhinolophidae)
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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.