Results 41 to 50 of about 68,403 (272)

Niche divergence along a fine‐scale ecological gradient in sympatric color morphs of a coral reef fish

open access: yesEcosphere, 2018
Color polymorphisms offer unique opportunities for testing the role of ecological adaptation and natural selection in the origin of species. However, the ecological conditions that facilitate the coexistence and speciation of color morphs in nature ...
Jonathan L. Whitney   +2 more
doaj   +1 more source

A taxonomic revision of the members of the Camponotus lateralis species group (Hymenoptera: Formicidae) from Europe, Asia Minor and Caucasia

open access: yesSoil Organisms, 2019
A taxonomic revision of the Camponotus lateralis group based on methods of Numeric Morphology-Based Alpha-Taxonomy (NUMOBAT) is presented considering the Palaearctic region west of 46°E.
Bernhard Seifert
doaj   +1 more source

The genetic basis of the kākāpō structural color polymorphism suggests balancing selection by an extinct apex predator. [PDF]

open access: yesPLoS Biol
AU The:information Pleaseconfirmthatallheadinglevelsarerepresentedcorrectly contained in population genomic data can tell : us much about the past ecology and evolution of species.
Urban L   +22 more
europepmc   +2 more sources

Spectral Sensitivities and Color Signals in a Polymorphic Damselfly

open access: yesPLoS ONE, 2014
Animal communication relies on conspicuous signals and compatible signal perception abilities. Good signal perception abilities are particularly important for polymorphic animals where mate choice can be a challenge. Behavioral studies suggest that polymorphic damselflies use their varying body colorations and/or color patterns as communication signal ...
Huang, Shao-chang   +3 more
openaire   +7 more sources

Negative frequency‐dependent selection maintains shell banding polymorphisms in two marine snails (Littorina fabalis and Littorina saxatilis)

open access: yesEcology and Evolution, 2021
The presence of shell bands is common in gastropods. Both the marine snails Littorina fabalis and Lttorina saxatilis are polymorphic for this trait. Such polymorphism would be expected to be lost by the action of genetic drift or directional selection ...
Daniel Estévez   +2 more
doaj   +1 more source

MESONOTAL COLOR POLYMORPHISM IN DROSOPHILA L. LEBANONENSIS [PDF]

open access: yesGenetics, 1962
Uploaded by Plazi for TaxoDros. We do not have abstracts.
openaire   +3 more sources

Nuclear Gene Indicates Coat-Color Polymorphism in Mammoths [PDF]

open access: yesScience, 2006
By amplifying the melanocortin type 1 receptor from the woolly mammoth, we can report the complete nucleotide sequence of a nuclear-encoded gene from an extinct species. We found two alleles and show that one allele produces a functional protein whereas the other one encodes a protein with strongly reduced activity.
Römpler, Holger   +8 more
openaire   +5 more sources

Cognition in a Changing World: Red-Headed Gouldian Finches Enter Spatially Unfamiliar Habitats More Readily Than Do Black-Headed Birds

open access: yesFrontiers in Ecology and Evolution, 2020
Human activities are increasingly confronting animals with unfamiliar environmental conditions. For example, habitat change and loss often lead to habitat fragmentation, which can create barriers of unsuitable and unfamiliar habitat affecting animal ...
Claudia Mettke-Hofmann   +4 more
doaj   +1 more source

No evidence for differential sociosexual behavior and space use in the color morphs of the European common wall lizard (Podarcis muralis)

open access: yesEcology and Evolution, 2020
Explaining the evolutionary origin and maintenance of color polymorphisms is a major challenge in evolutionary biology. Such polymorphisms are commonly thought to reflect the existence of alternative behavioral or life‐history strategies under negative ...
Javier Abalos   +8 more
doaj   +1 more source

Selection's Role in Maintaining a Color Polymorphism in the Sulawesi Fish Telmatherina antoniae

open access: yes, 2023
Explaining the extraordinary genetic variation present in natural populations is a central and longstanding problem of evolutionary biology. Color polymorphisms have proven to be powerful models for studying how genetic variation, associated with ...
NC DOCKS at East Carolina University   +1 more
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