Results 61 to 70 of about 2,106 (199)

Predicting ecology and hearing sensitivities in Parapontoporia—An extinct long‐snouted dolphin

open access: yesThe Anatomical Record, Volume 309, Issue 4, Page 853-863, April 2026.
Abstract Analyses of the cetacean (whale and dolphin) inner ear provide glimpses into the ecology and evolution of extinct and extant groups. The paleoecology of the long‐snouted odontocete (toothed whale) group, Parapontoporia, is primarily marine with its depositional context also suggesting freshwater tolerance.
Joyce Sanks, Rachel Racicot
wiley   +1 more source

Sequence variation in the melanocortin-1 receptor (MC1R) pigmentation gene and its role in the cryptic coloration of two South American sand lizards

open access: yesGenetics and Molecular Biology, 2012
In reptiles, dorsal body darkness often varies with substrate color or temperature environment, and is generally presumed to be an adaptation for crypsis or thermoregulation. However, the genetic basis of pigmentation is poorly known in this group.
Josmael Corso   +2 more
doaj  

Genomic Divergence Between Octopus vulgaris and Its Undescribed Sister Species From the South Atlantic and Indian Ocean

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
Octopus vulgaris Type III — an undescribed Southern Hemisphere lineage occurring along the South African coast and Amsterdam Island — is genomically distinct from O. vulgaris sensu stricto and O. sinensis, as inferred from phylogenetic analyses of 338 nuclear loci and complete mitochondrial genomes, supporting the need for taxonomic re‐evaluation of ...
Arsalan Emami‐Khoyi   +6 more
wiley   +1 more source

Ineffective crypsis in a crab spider: a prey community perspective [PDF]

open access: yesProceedings of the Royal Society B: Biological Sciences, 2009
Cryptic coloration is assumed to be beneficial to predators because of an increased encounter rate with unwary prey. This hypothesis is, however, very rarely, if ever, studied in the field. The aim of this study was to quantify the encounter rate and capture success of an ambush predator, in the field, as a function of its level of colour ...
Brechbühl, Rolf   +2 more
openaire   +4 more sources

The Genetic Basis of Color Polymorphism in the Orb‐Web Spider Gasteracantha cancriformis

open access: yesEcology and Evolution, Volume 16, Issue 3, March 2026.
This study investigates the genetic basis of coloration in the polymorphic spider Gasteracantha cancriformis using RNA‐seq data from different female color morphs. We assembled a reference transcriptome and identified differentially expressed genes associated with known pigmentation pathways, including carotenoids, melanin, ommochromes, and pteridines.
Paula Torres‐Quintero   +3 more
wiley   +1 more source

Venom in Furs: Facial Masks as Aposematic Signals in a Venomous Mammal

open access: yesToxins, 2019
The function of colouration in animals includes concealment, communication and signaling, such as the use of aposematism as a warning signal. Aposematism is unusual in mammals, and exceptions help us to understand its ecology and evolution.
K. Anne-Isola Nekaris   +6 more
doaj   +1 more source

The Effect of Background Colour on Behaviour and Development of Golden Mantella (Mantella aurantiaca) Tadpoles

open access: yesEthology, Volume 132, Issue 3, Page 204-215, March 2026.
This study examined how background colour influences behaviour and development in golden mantella (Mantella aurantiaca) tadpoles across ontogeny. Tadpoles preferred darker backgrounds, and this preference got less strong with increasing age. Individuals reared in darker conditions were less active but did not differ in growth rate and shelter use when ...
Prathik Amin   +2 more
wiley   +1 more source

Skin Colour in Salamanders Is Modulated by Both Epitranscriptomic Methylation and Gene Expression

open access: yesMolecular Ecology, Volume 35, Issue 6, March 2026.
ABSTRACT Animal colouration is a key trait in organismal biology, being involved in natural and sexual selection, competition, and communication. Amphibians use their highly diverse colouration in many ecological interactions, but the molecular bases of their colour variation are less well understood than in other vertebrate systems. While the genetic,
Nicholas Strowbridge   +3 more
wiley   +1 more source

The Geographical Variation of Colour Change in the Arabian Killifish (Aphaniops dispar Sensu Lato) From Freshwater and Marine Ecosystems

open access: yesEcology and Evolution, Volume 16, Issue 2, February 2026.
Animals that live in a wide range of environments possess plastic traits such as colour change, but most research has only looked at this within single populations. In this study, we tested four populations of the Arabian killifish from marine and freshwater ecosystems, examining how well they change colour against different backgrounds.
Ateah Alfakih   +2 more
wiley   +1 more source

Space Use and Movements During Egg Laying Associated With Nest Fate and Female Survival in Eastern Wild Turkeys

open access: yesEcology and Evolution, Volume 16, Issue 2, February 2026.
We assessed behaviors of female wild turkeys during the laying period and evaluated impacts of those behaviors on nest success and female survival. We found that increased movements during laying resulted in a decreased probability of nest success but an increased probability of female survival during incubation.
Paige E. Goodman   +5 more
wiley   +1 more source

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