The mechanistic, genetic and evolutionary causes of bird eye colour variation

EC Corbett, RT Brumfield, BC Faircloth - Ibis, 2024 - Wiley Online Library
Birds display a rainbow of eye colours, but this trait has been little studied compared with
plumage coloration. Avian eye colour variation occurs at all phylogenetic scales: it can be …

Ocular pigmentation in humans, great apes, and gibbons is not suggestive of communicative functions

KR Caspar, M Biggemann, T Geissmann, S Begall - Scientific reports, 2021 - nature.com
Pigmentation patterns of the visible part of the eyeball, encompassing the iris and portions of
the sclera, have been discussed to be linked to social cognition in primates. The cooperative …

Ecological factors are likely drivers of eye shape and colour pattern variations across anthropoid primates

JO Perea-García, K Ramarajan, ME Kret, C Hobaiter… - Scientific Reports, 2022 - nature.com
External eye appearance across primate species is diverse in shape and colouration, yet we
still lack an explanation for the drivers of such diversity. Here we quantify substantial …

Two Genomic Loci Control Three Eye Colors in the Domestic Pigeon (Columba livia)

ET Maclary, B Phillips, R Wauer, EF Boer… - Molecular biology …, 2021 - academic.oup.com
The iris of the eye shows striking color variation across vertebrate species, and may play
important roles in crypsis and communication. The domestic pigeon (Columba livia) has …

Coyotes living near cities are bolder: implications for dog evolution and human-wildlife conflict

J Brooks, R Kays, B Hare - Behaviour, 2020 - brill.com
How animal populations adapt to human modified landscapes is central to understanding
modern behavioural evolution and improving wildlife management. Coyotes (Canis latrans) …

Are dark-eyed dogs favoured by humans? Domestication as a potential driver of iris colour difference between dogs and wolves

A Konno, H Aoki, E Suzuki… - Royal Society Open …, 2023 - royalsocietypublishing.org
Comparative studies have shown that the eye morphology of primates has been shaped by
a variety of selection pressures (eg communication, environmental factors). To …

Preliminary evidence that eye appearance in parrots (Psittaciformes) co-varies with latitude and altitude

E Duran, JO Perea-García, D Piepenbrock… - Scientific Reports, 2024 - nature.com
External eye appearance in avian taxa has been proposed to be driven by social and
ecological functions. Recent research in primates suggests, instead, that, photoprotective …

[HTML][HTML] Light-adaptable artificial iris with dynamically scalable pupil-aperture function by radially patterned photochromic transition control

A Nauman, JC Choi, YM Cho, JW Lee, JH Na, HR Kim - Materials & Design, 2024 - Elsevier
The iris is an ocular organ that actively controls the size of the pupil-aperture in response to
external light, thereby regulating the amount of light reaching the retina for better visual …

Sex differences in ocular morphology in Caucasian people: a dubious role of sexual selection in the evolution of sexual dimorphism of the human eye

DP Danel, S Wacewicz, K Kleisner… - Behavioral Ecology and …, 2020 - Springer
The horizontal size of the exposed depigmented sclera in Caucasians has been previously
suggested to be sexually dimorphic, and the significance of this phenomenon remains …

[PDF][PDF] Qualitative morphological diversity of female pelung chickens in West Java, Indonesia

IY Asmara, D Garnida, W Tanwiriah… - …, 2019 - biodiversitas.mipa.uns.ac.id
Asmara IY, Garnida D, Tanwiriah W, Partasasmita R. 2019. Qualitative morphological
diversity of female Pelung Chickens in West Java, Indonesia. Biodiversitas 20: 126-133 …