Sympatry
View article: Re-evaluating Speciation Modes: The Genomic Architecture of Divergence-with-Gene-Flow
Re-evaluating Speciation Modes: The Genomic Architecture of Divergence-with-Gene-Flow Open
Speciation, the process by which new and distinct species arise, has traditionally been categorized into allopatric, parapatric, and sympatric modes based on the geographic distribution of diverging populations. While allopatric speciation…
View article: Re-evaluating Speciation Modes: The Genomic Architecture of Divergence-with-Gene-Flow
Re-evaluating Speciation Modes: The Genomic Architecture of Divergence-with-Gene-Flow Open
Speciation, the process by which new and distinct species arise, has traditionally been categorized into allopatric, parapatric, and sympatric modes based on the geographic distribution of diverging populations. While allopatric speciation…
View article: Convergent Genomic Paths to Reproductive Isolation Across Speciation Modes
Convergent Genomic Paths to Reproductive Isolation Across Speciation Modes Open
Speciation, the process by which new species arise, fundamentally relies on the evolution of reproductive isolation (RI) between diverging populations. While geographic separation has long been considered a primary driver, speciation can a…
View article: Convergent Genomic Paths to Reproductive Isolation Across Speciation Modes
Convergent Genomic Paths to Reproductive Isolation Across Speciation Modes Open
Speciation, the process by which new species arise, fundamentally relies on the evolution of reproductive isolation (RI) between diverging populations. While geographic separation has long been considered a primary driver, speciation can a…
View article: Revealing Seasonal Dietary Niche Overlap Among Sympatric Large Carnivores using DNA Metabarcoding
Revealing Seasonal Dietary Niche Overlap Among Sympatric Large Carnivores using DNA Metabarcoding Open
Understanding how large carnivores partition dietary resources is essential for assessing intra-guild competition and informing conservation strategies. In this study, we used DNA metabarcoding of scats to quantify and compare the diets of…
View article: Evaluating the Central–Marginal Hypothesis: Introgression and Genetic Variation at the Trailing Edge of <scp> <i>Quercus bicolor</i> </scp>
Evaluating the Central–Marginal Hypothesis: Introgression and Genetic Variation at the Trailing Edge of <span> <i>Quercus bicolor</i> </span> Open
The central–marginal hypothesis (CMH) predicts reduced genetic diversity and increased differentiation in range‐edge populations due to ecological marginality and limited gene flow. Deviations from this pattern, however, can result from hi…
View article: A network of bat caves in Brazilian drylands support population connectivity in Pteronotus bats (Chiroptera: Mormoopidae)
A network of bat caves in Brazilian drylands support population connectivity in Pteronotus bats (Chiroptera: Mormoopidae) Open
Pteronotus is a Neotropical genus of mormoopid bats known to form large colonies in caves. Cave selection by Pteronotus is not random, and maternity roosts are characterized by the presence of a hot chamber where females give birth and rai…
View article: Habitat suitability and niche comparison of sympatric weasels in northwestern Italy
Habitat suitability and niche comparison of sympatric weasels in northwestern Italy Open
Ecological Niche Models (ENMs) are useful tools for assessing habitat suitability and niche overlap among similar species, but their application to understudied sympatric carnivores remains limited. Three weasel species coexist throughout …
View article: Redescription of <i>Enteromius eutaenia</i> ( <scp>Boulenger</scp> , 1904) ( <scp>Cyprinidae, Smiliogastrinae</scp> ) and the description of two new species of <i>Enteromius</i> from the <scp>Cunene River</scp> , southern <scp>Africa</scp>
Redescription of <i>Enteromius eutaenia</i> ( <span>Boulenger</span> , 1904) ( <span>Cyprinidae, Smiliogastrinae</span> ) and the description of two new species of <i>Enteromius</i> from the <span>Cunene River</span> , southern <span>Africa</span> Open
The orangefin barb, Enteromius eutaenia – a small‐sized smiliogastrin barb characterised by orange/yellow fins, a thickened and serrated last unbranched dorsal‐fin ray, a dark mid‐lateral stripe and a sheath of enlarged scales at the base …
View article: Data from: Lek habitat selection by sympatric manakin species in Northwestern Ecuador
Data from: Lek habitat selection by sympatric manakin species in Northwestern Ecuador Open
Habitat selection plays a fundamental role in determining community structure and species coexistence, although the role played by sexual selection in shaping settlement patterns is less well understood. Manakins (Pipridae) are a Neotropic…
View article: Data from: Lek habitat selection by sympatric manakin species in Northwestern Ecuador
Data from: Lek habitat selection by sympatric manakin species in Northwestern Ecuador Open
Habitat selection plays a fundamental role in determining community structure and species coexistence, although the role played by sexual selection in shaping settlement patterns is less well understood. Manakins (Pipridae) are a Neotropic…
View article: Anopheles (Kerteszia) cruzii, the main malaria vector in the Brazilian Atlantic Forest, is a complex of at least five cryptic species
Anopheles (Kerteszia) cruzii, the main malaria vector in the Brazilian Atlantic Forest, is a complex of at least five cryptic species Open
Malaria, a tropical disease caused by Plasmodium and transmitted by Anopheles, remains a public health concern in Brazil. While most cases occur in the Amazon, transmission persists in the Atlantic Forest, where Anopheles mosquitoes of the…
View article: Does size matter? The integrated roles of light, adaptive sex expression, and hybridization in a widespread Arisaema (Araceae) species from western Japan
Does size matter? The integrated roles of light, adaptive sex expression, and hybridization in a widespread Arisaema (Araceae) species from western Japan Open
Background – For any given plant species, reproductive plasticity and hybridization are known to play key roles in local adaptation and range expansion. Arisaema serratum (Araceae), a widespread species in Japan, has been characteriz…
View article: Wing morphology, foraging strategies and flight performance in six sympatric species of molossid bats (Chiroptera: Molossidae) from Argentina
Wing morphology, foraging strategies and flight performance in six sympatric species of molossid bats (Chiroptera: Molossidae) from Argentina Open
Differences in total wing area and shape have long been emphasized in relation to flight and foraging performance in bats. Molossid have a high species richness in the northern portion of Argentina, with many of them coexisting in sympatry…
View article: Homoploid hybrid speciation between cryptic species of a hidden snout weevil
Homoploid hybrid speciation between cryptic species of a hidden snout weevil Open
Hybridisation may generate a variety of evolutionary outcomes, including novel hybrid species without a change in ploidy. Within this process, referred to as homoploid hybrid speciation (HHS), selection on recombinant traits is often invok…
View article: Diet and chemical defenses of the Sonoran Desert toad
Diet and chemical defenses of the Sonoran Desert toad Open
The Sonoran Desert toad ( Incilius alvarius ) is the only animal known to secrete the psychedelic compound 5-MeO-DMT as a chemical defense, but the source of 5-MeO-DMT in I. alvarius remains unknown. Some amphibians produce chemical defens…
View article: Morphological Differences in Feeding and Digestive Organs, the Diversity of Intestinal Microorganisms, and Variations in Digestive Enzyme Activity Promote the Differentiation of Nutritional Niches in Schizothoracinae Species
Morphological Differences in Feeding and Digestive Organs, the Diversity of Intestinal Microorganisms, and Variations in Digestive Enzyme Activity Promote the Differentiation of Nutritional Niches in Schizothoracinae Species Open
The mechanisms of nutritional niche differentiation among sympatric Schizothoracinae fishes play an important role in their adaptive evolution and should be considered in conservation strategies. To date, there have been no reports about t…
View article: Historical biogeography and climatic niche dynamics in spiny lizards of the genus <i>Sceloporus</i> (Squamata: Phrynosomatidae)
Historical biogeography and climatic niche dynamics in spiny lizards of the genus <i>Sceloporus</i> (Squamata: Phrynosomatidae) Open
Although we now have extensive biogeographical datasets for tetrapods, unravelling the drivers of species’ distributions remains challenging, especially for many squamate groups. Spiny lizards of the genus Sceloporus exemplify this knowled…
View article: Environmental Heterogeneity as a Differential Driver for Density of Two Sympatric Rodent Species
Environmental Heterogeneity as a Differential Driver for Density of Two Sympatric Rodent Species Open
Environmental heterogeneity drives patterns of species diversity by shifts in population abundances. High levels of heterogeneity may be associated with the disruption of ecosystem structure and, in turn, with the decline of specialist spe…
View article: Data from: The role of ecology in allopatric speciation of darters in the Central Highlands, USA
Data from: The role of ecology in allopatric speciation of darters in the Central Highlands, USA Open
Allopatric speciation is the predominant mode of speciation in riverine fishes. However, the relative importance of genetic drift versus natural selection in the allopatric speciation of these fishes remains uncertain. Here, we present a c…
View article: Black-capped and mountain chickadee hybridization and breeding ecology in Boulder County, CO
Black-capped and mountain chickadee hybridization and breeding ecology in Boulder County, CO Open
Here, we combine three years of population monitoring with 569 whole genomes to characterize the reproductive ecology of, and hybridization between, two common songbirds, black-capped (Poecile atricapillus) and mountain (P. gambeli) chicka…
View article: Character displacement in shorebirds
Character displacement in shorebirds Open
Modification of phenotypic traits induced by character displacements allow species to coexist by reducing interspecific competition. This study explores if and how shorebirds partition feeding ressources by foraging at different water dept…
View article: Co‐Occurring Sister Taxa of Mountain Butterflies Exhibit Distinct Cuticular Hydrocarbon Profiles
Co‐Occurring Sister Taxa of Mountain Butterflies Exhibit Distinct Cuticular Hydrocarbon Profiles Open
Invisible to human perception, differentiation in chemical traits such as insects cuticular hydrocarbons (CHCs) might contribute to speciation. The species‐rich mountain butterfly genus Erebia represents a well‐established model for studyi…
View article: Genomic analysis of differentiation and demography of the formerly conspecific agile (Dipodomys agilis) and Dulzura (D. simulans) kangaroo rats
Genomic analysis of differentiation and demography of the formerly conspecific agile (Dipodomys agilis) and Dulzura (D. simulans) kangaroo rats Open
Karyotype variation within Pacific kangaroo rat Dipodomys agilis motivated its division in 1997 into the agile kangaroo rat (AKR, D. agilis , 2N = 62) in the north of its range in California, and Dulzura kangaroo rat (DKR, D. simulans , 2N…
View article: DNA metabarcoding reveals distinct trophic niches among sympatric aerial insectivores (Family: Apodidae and Hirundinidae) in central Peninsular Malaysia
DNA metabarcoding reveals distinct trophic niches among sympatric aerial insectivores (Family: Apodidae and Hirundinidae) in central Peninsular Malaysia Open
Understanding the dietary preferences of aerial insectivores is essential for assessing their ecological roles in ecosystem energy flow. Despite this importance, few integrative studies have examined dietary overlap and niche segregation a…
View article: The likelihood of sympatric speciation and morphological divergence in plants
The likelihood of sympatric speciation and morphological divergence in plants Open
Sympatric speciation is considered rare, but oceanic Howea palms, crater lake cichlids, and parasitic indigobirds provide compelling evidence that it occurs. Still, the frequency of sympatric speciation and its relationship to morphologica…
View article: Coexistence in Sympatry With Gene Flow Before Speciation Has Completed
Coexistence in Sympatry With Gene Flow Before Speciation Has Completed Open
Incipient species often coexist in sympatry before complete reproductive isolation has evolved between them. How do they persist in the face of hybridization and gene flow? The challenge is more acute than ordinary ecological coexistence n…
View article: Nesting and Foraging Preferences of Four Sympatric Species of Cavity-Nesting Leafcutting Bees (Hymenoptera: Megachilidae)
Nesting and Foraging Preferences of Four Sympatric Species of Cavity-Nesting Leafcutting Bees (Hymenoptera: Megachilidae) Open
Megachilidae are crucial pollinators of cultivated and wild vegetation, playing a vital role in ecosystem pollination services, however, there is still a lack of information regarding the ecology and behavior of these species. This study a…
View article: Four New Species of Haplocauda, with Notes on the Evolutionary Convergence of Copulation Clamps in Lucidotini (Coleoptera: Lampyridae: Lampyrinae)
Four New Species of Haplocauda, with Notes on the Evolutionary Convergence of Copulation Clamps in Lucidotini (Coleoptera: Lampyridae: Lampyrinae) Open
Lampyrinae Lucidotini contains nearly a third of the world’s Lampyridae. The lack of revisions and the overlap of diagnostic features across taxonomic levels have hindered identification and, therefore, further studies of Lucidotini taxa. …
View article: Lack of Genetic Differentiation of Five Triatomine Species Belonging to the Triatoma rubrovaria Subcomplex (Hemiptera, Reduviidae)
Lack of Genetic Differentiation of Five Triatomine Species Belonging to the Triatoma rubrovaria Subcomplex (Hemiptera, Reduviidae) Open
The Triatoma rubrovaria subcomplex, comprising several triatomine species, plays a significant role in the transmission of Chagas disease in southern Brazil. Despite morphological distinctions among these species, their genetic differentia…