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54 results for “colour morphs”
Data from: Two spinefoot colour morphs: mottled spinefoot Siganus fuscescens and white-spotted spinefoot Siganus canaliculatus are synonyms
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Data from: Avian predation intensity as a driver of clinal variation in colour morph frequency
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Data from: Male courtship preferences demonstrate discrimination against allopatric colour morphs in a cichlid fish
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Great tit predation on colour morphs of the wood tiger moth at different relative frequencies
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Data from: Heritability of plumage colour morph variation in a wild population of promiscuous, long-lived Australian magpies
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Data from: Do group dynamics affect colour morph clines during a range shift?
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Data from: Specific MHC class I supertype associated with parasite infection and colour morph in a wild lizard population
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Data from: Ecological divergence among colour morphs mediated by changes in spatial network structure associated with disturbance
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Data from: Life-history trade-offs mediate 'personality' variation in two colour morphs of the pea aphid, Acyrthosiphon pisum
(1) Life-history trade-offs are considered a major driving force in the emergence of consistent behavioural differences (personality variation); but empirical tests are scarce. (2) We investigated links between a personality trait (escape response), life-history and state variables (growth rate, size and age at first reproduction, age-dependent reproductive rates, lifetime reproductive success, lifespan) in red and green colour morphs of clonal pea aphids, Acyrthosiphon pisum. Escape response (dropping/non-dropping off a plant upon a predatory attack) was measured repeatedly to classify individuals as consistent droppers, consistent non-droppers or inconsistents. (3) Red morphs experienced stronger trade-offs between early reproduction and lifespan than green morphs; and red consistent (non-)droppers had highest lifetime reproductive success. Red droppers followed a risk-averse life-history strategy (high late reproduction), red non-droppers a risk-prone strategy (high early reproduction), while reproductive rates were equivalent for all green behavioural types and red inconsistents. (4) This suggests that red morphs suffer the highest costs of dropping (they are most conspicuous to predators), which 'equivalates' fitness payoffs to both risk-takers (red non-droppers) and risk-averse red droppers. The strong trade-off also means that committing to a particular lifestyle (being consistent) maximises fitness. (5) Our study suggests that life-history trade-offs likely mediate personality variation but effects might depend on interactions with other organismal characteristics (here: colour morph).
Don't judge a lizard by its colour: no evidence for differential socio-sexual behaviour and space use in the colour morphs of the European common wall lizard (Podarcis muralis)
Explaining the evolutionary origin and maintenance of colour polymorphisms is a major challenge in evolutionary biology. Such polymorphisms are commonly thought to reflect the existence of alternative behavioural or life-history strategies under negative frequency-dependent selection. The European common wall lizard Podarcis muralis exhibits a striking ventral colour polymorphism that has been intensely studied and is often assumed to reflect alternative reproductive strategies, similar to the iconic "rock-paper-scissors" system described in the North American lizard Uta stansburiana. However, available studies so far have ignored central aspects in the behavioural ecology of this species that are crucial to assess the existence of alternative reproductive strategies. Here we try to fill this gap by studying the social behaviour, space use, and reproductive performance of lizards showing different colour morphs, both in a free-ranging population from the eastern Pyrenees and in ten experimental mesocosm enclosures. In the natural population, we found no differences between morphs in site-fidelity, space use or male-female spatial overlap. Likewise, colour morph was irrelevant to socio-sexual behaviour, space use, and reproductive success within experimental enclosures. Our results contradict the commonly held hypothesis that P. muralis morphs reflect alternative behavioural strategies, and suggest that we should instead turn our attention to alternative functional explanations.
FIGURE 1 in Sexual morphs and colour variants of Aphis (formerly Toxoptera) odinae (Hemiptera, Aphididae) in Japan
FIGURE 1. Slide-mounted specimens of A. odinae: a, fundatrix; b, oviparous female; c, male.
Data from: The role of rare morph advantage and conspicuousness in the stable gold-dark colour polymorphism of a crater lake Midas cichlid fish
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Data from: Life-history trade-offs mediate ‘personality’ variation in two colour morphs of the pea aphid, Acyrthosiphon pisum
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Don’t judge a lizard by its colour: no evidence for differential socio-sexual behaviour and space use in the colour morphs of the European common wall lizard (Podarcis muralis)
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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.