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Run and Hide: Visual Performance in a Brittle Star
Spatial vision was recently reported in a brittle star, Ophiomastix wendtii, which lacks discrete eyes, but little is known about its …
Lauren Sumner-Rooney, John D. Kirwan, Carsten Lüter, Esther Ullrich-Lüter
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Run and Hide: Visual Performance in a Brittle Star
Chicken colour discrimination depends on background colour
How well can a bird discriminate between two red berries on a green background? The absolute threshold of colour discrimination is set …
Peter Olsson, Robin D. Johnsson, James J. Foster, John D. Kirwan, Olle Lind, Almut Kelber
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Extraocular Vision in a Brittle Star Is Mediated by Chromatophore Movement in Response to Ambient Light
Almost all animals can sense light, but only those with spatial vision can ‘‘see.’’ Conventionally, this was restricted to animals …
Lauren Sumner-Rooney, John D. Kirwan, Elijah Lowe, Esther Ullrich-Lüter
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A millipede compound eye mediating low-resolution vision
Millipedes are a species-rich and ancient arthropod clade which typically bear a pair of lateral compound eyes with a small number of …
John D. Kirwan, Dan-E. Nilsson
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Orienting to polarized light at night - matching lunar skylight to performance in a nocturnal beetle
For polarized light to inform behaviour, the typical range of degrees of polarization observable in the animal’s natural …
James J Foster, John D Kirwan, Basil El Jundi, Jochen Smolka, Lana Khaldy, Emily Baird, Marcus J Byrne, Dan-Eric Nilsson, Sönke Johnsen, Marie Dacke
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The sea urchin Diadema africanum uses low resolution vision to find shelter and deter enemies
Many sea urchins can detect light on their body surface and some species are reported to possess image-resolving vision. Here, we …
John D. Kirwan, Michael J. Bok, Jochen Smolka, James J. Foster, José Carlos Hernández, Dan-Eric Nilsson
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Low­-resolution vision in a velvet worm (Onychophora)
Skip to Next Section Onychophorans, also known as velvet worms, possess a pair of simple lateral eyes, and are a key lineage with …
John D. Kirwan, Josefine Graf, Jochen Smolka, Georg Mayer, Miriam J. Henze, Dan-Eric Nilsson
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A phylomedicine approach to understanding the evolution of auditory sensory perception and disease in mammals
John D. Kirwan, Michaël Bekaert, Jennifer M. Commins, Kalina T. J. Davies, Stephen J. Rossiter, Emma C. Teeling
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Parallel signatures of sequence evolution among hearing genes in echolocating mammals: an emerging model of genetic convergence
Recent findings of sequence convergence in the Prestin gene among some bats and cetaceans suggest that parallel adaptations for …
K T Davies, J A Cotton, J D Kirwan, E C Teeling, S J Rossiter
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