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  1. Article ; Online: Infrared Imaging: A Motion Detection Circuit for Rattlesnake Thermal Vision.

    Kelber, Almut

    Current biology : CB

    2019  Volume 29, Issue 11, Page(s) R403–R405

    Abstract: Pit vipers detect moving warm-blooded prey with infrared receptors in their pit organs. Neurons in two brain nuclei extract the direction of prey motion by lateral inhibition circuits similar to those known from visual systems. ...

    Abstract Pit vipers detect moving warm-blooded prey with infrared receptors in their pit organs. Neurons in two brain nuclei extract the direction of prey motion by lateral inhibition circuits similar to those known from visual systems.
    MeSH term(s) Animals ; Crotalus ; Infrared Rays ; Motion ; Neurons ; Vision, Ocular
    Language English
    Publishing date 2019-06-04
    Publishing country England
    Document type Journal Article ; Comment
    ZDB-ID 1071731-6
    ISSN 1879-0445 ; 0960-9822
    ISSN (online) 1879-0445
    ISSN 0960-9822
    DOI 10.1016/j.cub.2019.04.043
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    In stock of ZB MED Cologne/Königswinter

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  2. Article ; Online: Birds perceive colours in categories.

    Kelber, Almut

    Nature

    2018  Volume 560, Issue 7718, Page(s) 311–312

    MeSH term(s) Animals ; Birds ; Color ; Color Perception ; Feathers
    Language English
    Publishing date 2018-08-10
    Publishing country England
    Document type News ; Comment
    ZDB-ID 120714-3
    ISSN 1476-4687 ; 0028-0836
    ISSN (online) 1476-4687
    ISSN 0028-0836
    DOI 10.1038/d41586-018-05811-9
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Vision: Rods See in Bright Light.

    Kelber, Almut

    Current biology : CB

    2018  Volume 28, Issue 8, Page(s) R364–R366

    Abstract: Rods, usually associated with highly sensitive dim-light vision, contribute to vision even in bright photopic intensities. New results in mice have important implications for vision of animals with rod-dominated or pure rod retinae. ...

    Abstract Rods, usually associated with highly sensitive dim-light vision, contribute to vision even in bright photopic intensities. New results in mice have important implications for vision of animals with rod-dominated or pure rod retinae.
    MeSH term(s) Animals ; Color Vision ; Mice
    Language English
    Publishing date 2018-04-23
    Publishing country England
    Document type Journal Article ; Comment
    ZDB-ID 1071731-6
    ISSN 1879-0445 ; 0960-9822
    ISSN (online) 1879-0445
    ISSN 0960-9822
    DOI 10.1016/j.cub.2018.02.062
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  4. Article ; Online: Fast visual adaptation to dim light in a cavity-nesting bird.

    Chaib, Sandra / Lind, Olle / Kelber, Almut

    Proceedings. Biological sciences

    2023  Volume 290, Issue 1998, Page(s) 20230596

    Abstract: Many birds move fast into dark nest cavities forcing the visual system to adapt to low light intensities. Their visual system takes between 15 and 60 min for complete dark adaptation, but little is known about the visual performance of birds during the ... ...

    Abstract Many birds move fast into dark nest cavities forcing the visual system to adapt to low light intensities. Their visual system takes between 15 and 60 min for complete dark adaptation, but little is known about the visual performance of birds during the first seconds in low light intensities. In a forced two-choice behavioural experiment we studied how well budgerigars can discriminate stimuli of different luminance directly after entering a darker environment. The birds made their choices within about 1 s and did not wait to adapt their visual system to the low light intensities. When moving from a bright facility into an environment with 0.5 log unit lower illuminance, the budgerigars detected targets with a luminance of 0.825 cd m
    MeSH term(s) Animals ; Acclimatization ; Light ; Chickens ; Eye ; Lighting ; Melopsittacus
    Language English
    Publishing date 2023-05-10
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 209242-6
    ISSN 1471-2954 ; 0080-4649 ; 0962-8452 ; 0950-1193
    ISSN (online) 1471-2954
    ISSN 0080-4649 ; 0962-8452 ; 0950-1193
    DOI 10.1098/rspb.2023.0596
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  5. Article ; Online: Home ranges, directionality and the influence of moon phases on the movement ecology of Indian flying fox males in southern India

    Baheerathan Murugavel / Sripathi Kandula / Hema Somanathan / Almut Kelber

    Biology Open, Vol 12, Iss

    2023  Volume 2

    Keywords chiroptera ; landscape use ; pteropus giganteus ; pteropus medius ; pteropodidae ; urban ecology ; Science ; Q ; Biology (General) ; QH301-705.5
    Language English
    Publishing date 2023-02-01T00:00:00Z
    Publisher The Company of Biologists
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  6. Article ; Online: Home ranges, directionality and the influence of moon phases on the movement ecology of Indian flying fox males in southern India.

    Murugavel, Baheerathan / Kandula, Sripathi / Somanathan, Hema / Kelber, Almut

    Biology open

    2023  Volume 12, Issue 2

    Abstract: Flying foxes of the genus Pteropus are amongst the largest fruit bats and potential long-range pollinators and seed dispersers in the paleotropics. Pteropus giganteus (currently P. medius) is the only flying fox that is distributed throughout the Indian ... ...

    Abstract Flying foxes of the genus Pteropus are amongst the largest fruit bats and potential long-range pollinators and seed dispersers in the paleotropics. Pteropus giganteus (currently P. medius) is the only flying fox that is distributed throughout the Indian mainland, including in urban and rural areas. Using GPS telemetry, we mapped the home ranges and examined flight patterns in P. giganteus males across moon phases in a semi-urban landscape in southern India. Home range differed between the tracked males (n=4), likely due to differences in their experience in the landscape. We found that nightly time spent outside the roost, distance commuted and the number of sites visited by tracked individuals did not differ significantly between moon phases. In 61% of total tracked nights across bats, the first foraging site was within 45˚ of the emergence direction. At the colony-level, scan-based observations showed emergence flights were mostly in the northeast (27%), west (22%) and southwest (19%) directions that could potentially be related to the distribution of foraging resources. The movement ecology of fruit bats in relation to the pollination and seed dispersal services they provide requires to be investigated in future studies. This article has an associated First Person interview with the first author of the paper.
    MeSH term(s) Male ; Animals ; Humans ; Homing Behavior ; Chiroptera ; Moon ; India
    Language English
    Publishing date 2023-01-30
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 2632264-X
    ISSN 2046-6390 ; 2046-6390
    ISSN (online) 2046-6390
    ISSN 2046-6390
    DOI 10.1242/bio.059513
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  7. Article: The Eye of the Common Octopus (

    Hanke, Frederike D / Kelber, Almut

    Frontiers in physiology

    2020  Volume 10, Page(s) 1637

    Abstract: ... Octopus ... ...

    Abstract Octopus vulgaris
    Language English
    Publishing date 2020-01-14
    Publishing country Switzerland
    Document type Journal Article ; Review
    ZDB-ID 2564217-0
    ISSN 1664-042X
    ISSN 1664-042X
    DOI 10.3389/fphys.2019.01637
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  8. Article ; Online: Colour Vision: Random Retina of Butterflies Explained.

    Kelber, Almut

    Current biology : CB

    2016  Volume 26, Issue 19, Page(s) R900–R902

    Abstract: Butterfly eyes are random mosaics built of three ommatidia types, each with a different set of photoreceptors and pigments. What defines the combined features in each ommatidium? A new study has solved the puzzle. ...

    Abstract Butterfly eyes are random mosaics built of three ommatidia types, each with a different set of photoreceptors and pigments. What defines the combined features in each ommatidium? A new study has solved the puzzle.
    Language English
    Publishing date 2016-10-10
    Publishing country England
    Document type Journal Article
    ZDB-ID 1071731-6
    ISSN 1879-0445 ; 0960-9822
    ISSN (online) 1879-0445
    ISSN 0960-9822
    DOI 10.1016/j.cub.2016.08.018
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    In stock of ZB MED Cologne/Königswinter

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  9. Article ; Online: Colour in the eye of the beholder: receptor sensitivities and neural circuits underlying colour opponency and colour perception.

    Kelber, Almut

    Current opinion in neurobiology

    2016  Volume 41, Page(s) 106–112

    Abstract: Colour vision-the ability to discriminate spectral differences irrespective of variations in intensity-has two basic requirements: (1) photoreceptors with different spectral sensitivities, and (2) neural comparison of signals from these photoreceptors. ... ...

    Abstract Colour vision-the ability to discriminate spectral differences irrespective of variations in intensity-has two basic requirements: (1) photoreceptors with different spectral sensitivities, and (2) neural comparison of signals from these photoreceptors. Major progress has been made understanding the evolution of the basic stages of colour vision-opsin pigments, screening pigments, and the first neurons coding chromatic opponency, and similarities between mammals and insects point to general mechanisms. However, much work is still needed to unravel full colour pathways in various animals. While primates may have brain regions entirely dedicated to colour coding, animals with small brains, such as insects, likely combine colour information directly in parallel multisensory pathways controlling various behaviours.
    Language English
    Publishing date 2016-12
    Publishing country England
    Document type Review ; Journal Article
    ZDB-ID 1078046-4
    ISSN 1873-6882 ; 0959-4388
    ISSN (online) 1873-6882
    ISSN 0959-4388
    DOI 10.1016/j.conb.2016.09.007
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  10. Article ; Online: Dim-light colour vision in the facultatively nocturnal Asian giant honeybee,

    Vijayan, Sajesh / Balamurali, G S / Johnson, Jewel / Kelber, Almut / Warrant, Eric J / Somanathan, Hema

    Proceedings. Biological sciences

    2023  Volume 290, Issue 2004, Page(s) 20231267

    Abstract: We discovered nocturnal colour vision in the Asian giant ... ...

    Abstract We discovered nocturnal colour vision in the Asian giant honeybee
    MeSH term(s) Bees ; Animals ; Color Vision ; Species Specificity ; Light ; Adaptation, Physiological
    Language English
    Publishing date 2023-08-09
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 209242-6
    ISSN 1471-2954 ; 0080-4649 ; 0962-8452 ; 0950-1193
    ISSN (online) 1471-2954
    ISSN 0080-4649 ; 0962-8452 ; 0950-1193
    DOI 10.1098/rspb.2023.1267
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