Ancestral photoreceptor diversity as the basis of visual behaviour

T Baden - Nature Ecology & Evolution, 2024 - nature.com
Animal colour vision is based on comparing signals from different photoreceptors. It is
generally assumed that processing different spectral types of photoreceptor mainly serves …

[HTML][HTML] The opto-respiratory compromise: balancing oxygen supply and light transmittance in the retina

C Damsgaard, MW Country - Physiology, 2022 - journals.physiology.org
The light-absorbing retina has an exceptionally high oxygen demand, which imposes two
conflicting needs: high rates of blood perfusion and an unobstructed light path devoid of …

Birds multiplex spectral and temporal visual information via retinal On-and Off-channels

M Seifert, PA Roberts, G Kafetzis, D Osorio… - Nature …, 2023 - nature.com
In vertebrate vision, early retinal circuits divide incoming visual information into functionally
opposite elementary signals: On and Off, transient and sustained, chromatic and achromatic …

Evolution of avian eye size is associated with habitat openness, food type and brain size

Y Liu, Y Jiang, J Xu, W Liao - Animals, 2023 - mdpi.com
Simple Summary Birds often exhibit differences in locomotion, foraging, and predator
detection, many of which are often reflected in their eye sizes. Therefore, understanding the …

Visual System of the Only Nocturnal Anthropoid, Aotus: The Owl Monkey

CC Veilleux, CP Heesy - Owl Monkeys: Biology, Adaptive Radiation, and …, 2023 - Springer
Diurnal haplorhines exhibit derived traits for high-acuity photopic vision, unique across
mammals, and many other vertebrates. Yet, sometime in the mid-Miocene (12–15 MYA), the …

Low achromatic contrast sensitivity in birds: a common attribute shared by many phylogenetic orders

CLM Blary, O Duriez, F Bonadonna… - Journal of …, 2024 - journals.biologists.com
Vision is an important sensory modality in birds, which can outperform other vertebrates in
some visual abilities. However, sensitivity to achromatic contrasts–the ability to discern …

Detection of wind turbines rotary motion by birds: A matter of speed and contrast

C Blary, F Bonadonna, E Dussauze… - … Science and Practice, 2023 - Wiley Online Library
To reduce bird collisions on wind turbines, Automatic Detection Systems have been
developed to locate approaching birds and trigger turbines to slowdown to 2–3 rotations per …

Audible, but not ultrasonic, calls reflect surface-dwelling or subterranean specialization in pup and adult Brandt's and mandarin voles

MM Dymskaya, IA Volodin, AV Smorkatcheva… - Behavioral Ecology and …, 2022 - Springer
For human-audible vocalizations (below 20 kHz) of rodents, subterranean lifestyle results in
low-frequency calls coupled with low-frequency hearing. For ultrasonic vocalizations (above …

Visual adaptations in predatory and scavenging diurnal raptors

S Potier - Diversity, 2020 - mdpi.com
Ecological diversity among diurnal birds of prey, or raptors, is highlighted regarding their
sensory abilities. While raptors are believed to forage primarily using sight, the sensory …

A new genus of small polycotylid plesiosaur from the Upper Cretaceous of the Western Interior Seaway and a clarification of the genus Dolichorhynchops

RO Clark, FR O'Keefe, SE Slack - Cretaceous Research, 2024 - Elsevier
Polycotylids are plesiosaurian marine reptiles that evolved during the Early Cretaceous and
radiated into multiple genera during the Late Cretaceous. Here we describe a small new …