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Cover: The Adelaide rosella (Platycercus elegans adelaidae) is part of a species complex that has highly variable plumage colour, from deep crimson to pale yellow. Theory suggests colour vision co-evolves with plumage coloration and consequently P. elegans would be an ideal candidate for such within-species differences in colour vision, not found hitherto in birds. In preparation for such a test, Knott et al. (pp. 4454−4461) measured retinal photoreceptor spectral sensitivity and sequenced the visual opsin genes from P. e. adelaidae and found some opsins possessed novel extensions, or showed unusual splicing events, not previously observed in any vertebrate opsin. Photo credit: Raoul Ribot.Close Modal - PDF Icon PDF LinkTable of contents
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Exclusive localization of carbonic anhydrase in bacteriocytes of the deep-sea clam Calyptogena okutanii with thioautotrophic symbiotic bacteria
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We are seeking a Reviews Editor to join the JEB team for 12 months as maternity cover. Find out more about this exciting opportunity to make a significant contribution to the leading journal in comparative physiology and biomechanics.
Call for papers - Building New Paradigms in Comparative Physiology and Biomechanics
Our upcoming special issue is welcoming submissions until 31 July 2021. The special issue will be published in early 2022 and will be widely promoted online and at key global conferences.
Sharpshooting archerfish brake to overcome recoil
Archerfish are exceptional snipers and now it turns out that they use their fins as brakes to counteract the recoil that would submerge them when taking out a target with a jet of water.
Responses of terrestrial polar arthropods to high and increasing temperatures
In a Review of thermal adaptation of polar terrestrial arthropods to high temperatures, Bahrndorff et al. conclude that a large variation in upper thermal limits exists across polar regions, habitats and species.
